Class 11 Computer Science notes on Chapter 1 Computer Fundamentals class 11 Notes Computer Science are also available for download in CBSE Guide website. In the past decade, the distinction between large minicomputers and small mainframes has blurred, however, as has the distinction between small minicomputers and workstations. these notes are very benificial for student. Monitor, Printer, Plotter, Projector. Today, the market is dominated by the IBM PC-compatible computer, the majority of which run Microsoft Windows. Firmware is a combination of software and hardware. Microprocessor: A microprocessor is a semiconductor chip, which is manufactured using the Large Scale integration (LSI) or Very Large Scale Integration (VLSI), which comprises Arithmetic Logic Unit, Control unit and Central Processing Unit (CPU) fabricated on a single chip. The Symbian OS is open for third-party development by independent software vendors, enterprise IT departments, network operators and Symbian OS licensees. In Bike-speedometer, voltmeter. All data must be represented in a register before it can be processed. 11 Class th. The first operating system developed in this generation. What do you mean by LPT port? Download Revision Notes for CBSE Class 11 Computer Science.Short notes, brief explanation, chapter summary, quick revision notes, mind maps and formulas made for all important topics in Computer Science in Class 11 available for free download in pdf, click on the below links to access topic wise chapter notes based on 2020 2021 syllabus and guidelines issued for Grade 11. 12 Class th. (266)10 to Hexadecimal iv. But we are looking forward to including this option in the future. Class 11 Computer Notes are free and will always remain free. © 2020 myCBSEguide | CBSE Papers & NCERT Solutions, Revision Notes for class-11 Business Studies, Revision Notes for class-11 Computer Science, Revision Notes for class-11 Informatics Practices, Computer Fundamentals class 11 Notes Computer Science, Introduction to CPP class 11 Notes Computer Science, Using CPP constructs class 11 Notes Computer Science, Functions in CPP class 11 Notes Computer Science, Arrays and Structures class 11 Notes Computer Science, Programming Methodology class 11 Notes Computer Science, Programming in C P P class 11 Notes Computer Science, Sociology and Society class 11 Notes Sociology, Indian Sociologists class 11 Notes Sociology, Free Online Test Series for CBSE Students, Case Study based Questions Class 10 Mathematics, CBSE Class 10 English Sample Paper 2020-21, How to add Subjective Questions in Online Tests, The Best Mobile App for CBSE and NCERT Syllabus. 1 bit = 0 or 1 1 Byte = 8 bit 1 Nibble = 4 bit 1 Kilo Byte = 1024 Byte= 210 Byte 1 Mega Byte = 1024 KB= 210 KB 1 Gega Byte = 1024 MB= 210 MB 1 Tera Byte = 1024 GB= 210 GB 1 Peta Byte =1024 TB= 210 TB 1 Exa Byte =1024 PB= 210 PB 1 Zetta Byte = 1024 EB= 210 EB 1 Yotta Byte = 1024 ZB= 210 ZB. 4. Internal Storage encoding of Characters: ASCII (American standard code for information interchange): ASCII code is most widely used alphanumeric code used in computers. A thorough knowledge of the subject not only gives you an added advantage over others in getting admissions in colleges but also opens up a number of job opportunities in the IT sector. 4. Are you looking for Class 11 Computer Science Notes for Federal Board (FBISE)? Software Software, simply are the computer programs. 2015 | 2014 | 2013. Another term for multi-user is time sharing. Class 11 Computer Science Notes Chapter 1 Computer Fundamental. INFORMATICS PRACTICES NOTES FOR CLASS 11 DOWNLOAD IN PDF Chapter 1 : Introduction Computer System Part 1: Hardware Concept, Software Concepts, Primary Memory Unit, Output Devices Part 2 : Flow of Control in C, C++, Java, and Code wiht programming … SRAM is not worthwhile for desktop system memory, where DRAM dominates, but is used for their cache memories. Select Education Level Select a Class to search your require Notes. Federal Board | Past Papers | Notes | A-Level. Class 11 Computer Science notes according to FBISE syllabus. As of now we have not provided the options to download the notes from our website. Ans. The size of a bus, known as its width, is important because it determines how much data can be transmitted at one time. PS/2 Port: PS/2 ports are special ports for connecting the keyboard and mouse to some PC systems. Exercise. • Multi User Systems: Provides regulated access for a number of users by maintaining a database of known users. Computer is an advanced electronic device that takes raw data as input from the user and processes these data under the control of set of instructions (called program) and gives the result (output) and saves output for the future use. Intel core i7. It provides much higher data transfer speed in comparison with serial port. CBSE Schools Educational Study Material. BOSS: BOSS (Bharat Operating System Solutions) GNU/Linux distribution developed by C-DAC (Centre for Development of Advanced Computing) derived from Debian for enhancing the use of Free/ Open Source Software throughout India. 7. Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website. Next article Chemistry Practical Notes Class 12th. Commonly used operating system UNIX: Pronounced yoo-niks, a popular multi-user, multitasking operating system developed at Bell Labs in the early 1970s. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. Compiler or Interpreter. Short Notes On Instructional Planning And Teaching Methods. Microprocessor, 2. 11 Notes. The faster the clock, the more instructions the CPU can execute per second. 2. Because it’s free, and because it runs on many platforms, including PCs and Macintoshes, Linux has become an extremely popular alternative to proprietary operating systems. Ans. (Do yourself). Eg. It is a wireless type port with a limited range of 5-10ft. This is referred to as the Central Processing Unit (CPU) and is housed in the computer case. For example, if two numbers are to be multiplied, both numbers must be in registers, and the result is also placed in a register. Oracle Solaris, as it is now known, has been owned by Oracle Corporation since Oracle’s acquisition of Sun in January 2010. Download 11th Class Notes for Computer Science with Instant Activation to read it anywhere. CBSE Notes for Class 9 Foundation of Information Technology – Computer System. It is used to transmit a variety of individual signals (read, write, interrupt, acknowledge, and so forth) necessary to control and coordinate the operations of the computer. A Source program in High Level Language get converted into Object Program in Machine Level Language. Software and Classification. ON state and the bit 0 represents the low voltage i.e. When computers in a group work in cooperation, they make a distributed system. Short Questions. B. Interpreter: It is a translator which converts the HLL language into machine language line by line. Unicode: It is a universal coding standard which provides a unique number for every character, no matter what the platform, no matter what the program, no matter what the language. Eg: Thermometer, Speedometer, Petrol pump indicator, Multimeter. Why we need it? It is also called base-10 system. Computer Science HSEB Notes on Introduction to Computer Grade : XI What is Computer Science? Computer Fundamentals class 11 Notes Computer Science.CBSE quick revision note for class-11 Mathematics, Physics, Chemistry, Biology and other subject are very helpful to revise the whole syllabus during exam days. myCBSEguide | CBSE Papers & NCERT Solutions. For example, weather forecasting requires a supercomputer. Performs only basic functions. RISC system has reduced number of instructions. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. It superseded their earlier SunOS in 1993. Unicode version 3.1 represented 94,140 characters. Software is the set of programs, which are used for different purposes. ISCII code retains all ASCII characters and offers coding for Indian scripts also. In order to further maximize their potential, we must understand the core components of a computer system in detail - input unit, output unit, CPU. Eg. Together, they are also called the CPU. Ans. A 32-bit microprocessor can process data and memory addresses that are represented by 32 bits. students are advised to check out the complete syllabus and exam pattern with the marking scheme.. CISC (Complex Instruction Set Computing): 1. CBSE Class 11 Computer Science Syllabus. It represents all of the standard keyboard characters as well as control functions such as Return & Linefeed functions. The instruments used in medical lies in this category. Operating system Operating system is a platform between hardware and user which is responsible for the management and coordination of activities and the sharing of the resources of a computer. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there (from a previous reading of data), it does not have to do the more time-consuming reading of data from larger memory. (Given in the table above), Convert from hexadecimal to octal and binary: In this conversion write the binary of specific digit. (236)8 to Binary iii. The data bus transfers actual data whereas the address bus transfers information about where the data should go. These devices must be within the range of 32 feet, or 10 meters for Bluetooth to effectively work. Class 11 Computer Notes are free and will always remain free. • To inculcate the skills of implementation of basic theory in troubleshooting the software & hardware problems. We will also introduce a mobile app for viewing all the notes on mobile. FA Part 1. program state information) on a temporary or permanent basis for use in a computer or other digital electronic device. Learning the important concepts is very important for every student to get better marks in examinations. Octal Number System. Questions and fun facts related to Class 11 Computer Notes will also be shared on our facebook page so you can ace your Computer Science examination. Most modern semiconductor volatile memory is either Static RAM or dynamic RAM. Components of Computer System: Input, output, Processor and Storage. Mobile OS: A mobile operating system, also called a mobile OS, is an operating system that is specifically designed to run on mobile devices such as mobile phones, smartphones, PDAs, tablet computers and other handheld devices. CBSE Computer Science Chapter 1 Computer Fundamentals class 11 Notes Computer Science in PDF are available for free download in myCBSEguide mobile app. Ch # 2 - Computer Memory. This is a bus that connects all the internal computer components to the CPU and main memory. Students who are in Class 11 or preparing for any exam which is based on Class 11 Informatics Practices can refer NCERT Book for their preparation. Serial cables are cheaper to make than parallel cables and easier to shield from interference. RELATED ARTICLES MORE FROM AUTHOR. Hard Disk (Local Disk) B. Optical Disks: CD-R, CD-RW, DVD-R, DVD-RW C. Pen Drive D. Floppy Disks F. Memory Cards G. External Hard Disk H. Blu Ray Disk, Blu-Ray Disk: Blu-ray (not Blue-ray) also known as Blu-ray Disc (BD), is the name of a new optical disc format. • Distributed Operating System: An operating system that manages a group of independent computers and makes them appear to be a single computer is known as a distributed operating system. Download CBSE Class 11 Informatics Practices Hardware Notes in pdf, Informatics Practices chapter notes, class notes mind maps formulas Revision Notes CBSE Class XI Informatics Practices Hardware Concepts. Output is also called as Result. • Symbian: Symbian is a mobile operating system (OS) targeted at mobile phones that offers a high-level of integration with communication and personal information management (PIM) functionality. (AF2)16 to Binary v. 0101110.1010110 to Hexadecimal. The Fifth Generation (Present & Beyond): Fifth generation computing devices, based on artificial intelligence, are still in development, though there are some applications, such as voice recognition, that are being used today. EPIC (Explicitly Parallel Instruction Computing): It is a 64-bit microprocessor instruction set, jointly defined and designed by Hewlett Packard and Intel, that provides up to 128 general and floating point unit registers and uses speculative loading, predication, and explicit parallelism to accomplish its computing tasks. Other uses of supercomputers include animated graphics, fluid dynamic calculations, nuclear energy research, and petroleum exploration. They are popularly associated with Desk Top operating system which run on standalone systems where no user accounts are required. control of nuclear power plants, oil refining, chemical processing and traffic control systems, air • Single User Systems: Provides a platform for only one user at a time. Lesson tags: basic computer organization, brief introduction to functions of OS, central processing unit and its components, components of a computer system, components of a mobile phone, different functions of operating system, need for an operating system, types of cd, types of dvd, types of memory, types of software, types of storage devices All buses consist of two parts — an address bus and a data bus. There’s no denying the importance of the study of Computer Science in this age of Information Technology. Output Devices. Address Bus: This is a system of bus, which is used to specify the address of a memory location. So here we are starting the chapter Introduction to Computer System. However, It is slow in processing as compare to compiler. Notes for 11th . What do you mean by Defragmentation? COMPUTER SYSTEM = HARDWARE + SOFTWARE+ USER • Hardware = Internal Devices + Peripheral Devices All physical parts of the computer (or everything that we can touch) are known as Hardware. Previous article Past Papers Solved Notes for Computer Science Class 11. Typically on older PCs, a modem, mouse, or keyboard would be connected via serial ports. To register Online Tuitions on Vedantu.com to clear your doubts. Octal Number System consists of eight digits from 0 to 7. c) Mini Computer A midsized computer. What is Computer? Types of software 1. © 2020 ClassNotes, Inc. | All Rights Reserved, If you find any mistake or any problem with the notes, please send us an email at. Types of Computer On the basis of working principle a) Analog Computer An analog computer is a form of computer that uses continuous physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved. 5. 4. it can send several bits simultaneously. Symbian OS combines middleware with wireless communications through an integrated mailbox and the integration of Java and PIM functionality (agenda and contacts). Give any example of hybrid computer in daily life. All HLL support is done in software. The 1394 interface is comparable with USB and often those two technologies are considered together, though USB has more market share. Students will be at a great advantage by utilising class 11 notes. Each hexadecimal digit has its own value or weight expressed as a power of 16. Your support is what keeps us going. 0 or 1. The following are some examples of binary numbers: 1011012 112 1011¾ Conversion from Decimal to Binary or Binary to Decimal Convert from decimal to binary, (After we round and cut the number) Conversion from Binary to Decimal, Index the digits of the number 150413120110.0-10-21-30-41-51-61-7, Multiply each digit 1*25 +0*24 +1*23 +1*22 +0*21 +1*20 +0*2-1 +0*2-2 +1*2-3 +0*2-4 +1*2-5 +1*2-6 +1*2-7 = 32 + 0 + 8 + 4 + 0 + 1 + 0 + 0 + 0.125 + 0 + 0.03125 + 0.015625 + 0.007813 = 45.179688(10). Bus: A collection of wires through which data is transmitted from one part of a computer to another. The value is formed by the sum of each digit, multiplied by the base (in this case it is 10 because there are 10 digits in decimal system) in power of digit position (counting from zero): Decimal numbers would be written like this: 12710 1110 567310, B. Binary Number System: In Binary Number system there are only two digits i.e. When one computer system is set up to share data and information electronically with another computer system, communication becomes a system element. These computer were large in size & their programming was difficult task. all of The Linux kernel was developed mainly by Linus Torvalds and it is based on Unix. Eg. Systems of Particles and Rotational Motion Class 11 Notes Physics Chapter 7 • A rigid body is a body with a perfectly definite and unchanging shape. CBSE guide notes are the comprehensive notes which covers the latest syllabus of CBSE and NCERT. In size and power, minicomputers lie between workstations and mainframes. 6. Sample Paper all are made available through the best app for CBSE students and myCBSEguide website. It can be used to represent any quantity that can be represented in decimal or other number system. (Dilli , 2015) Output Devices: Those devices which help to display the processed information. Input Devices: Those devices which help to enter data into computer system. A 128-bit microprocessor can process data and memory addresses that are represented by 128 bits. On the basis of Size a) Super Computer The fastest type of computer. All operations are register to register. NCERT Solutions, NCERT Exemplars, Revison Notes, Free Videos, CBSE Papers, MCQ Tests & more. We will also introduce a mobile app for viewing all the notes on mobile. A bus can be 8 … Some computers of this generation are ENIAC, EDVAC, EDSAC & UNIVAC-1. PORTS: A port is an interface between the motherboard and an external device. Eg. There is great development in data communication. It is a 7- bit code, and so it has 27 =128 possible code groups. e) Workstations A terminal or desktop computer in a network. The control bus is used by the CPU to direct and monitor the actions of the other functional areas of the computer. Memory (i) Download CBSE class 11th revision notes for Chapter 1 Computer Fundamentals class 11 Notes Computer Science in PDF format for free. When used in reference to personal computers, the term bus usually refers to internal bus. System software is designed to provide a platform to run application software and operate the computer hardware. Intel 80386 processor, Intel 80486 64 bit Microprocessor: It indicates the width of the registers; a special high-speed storage area within the CPU. You can think of a bus as a highway on which data travels within a computer. These computers were smaller, faster & more reliable. Desktop Computer: a personal or micro-mini computer sufficient to fit on a desk. LINUX: Pronounced lee-nucks or lih-nucks. Bus is a group of wires that connects different components of the computer. ICS Part 1. Also called communication port. Computer software is considered to be the heart of computer systems. CBSE Computer Science Chapter 1 Computer Fundamentals class 11 Notes Computer Science in PDF are available for free download in myCBSEguide mobile app. Any digit in this system is always less than 8. Input (Data): Input is the raw information entered into a computer from the input devices. It is an 8-bit code capable of coding 256 characters. Class 11 Computer Science Notes - Chapter 1 - Overview of Computer System - Important Short Questions that contain short questions. Class 11 Computer Science Notes - Chapter 1 - Overview of Computer System - Exercise. Also called Line Printer Port. They required only 1/10 of power required by tubes. In short, computer architecture refers to how a computer system is designed and what technologies it is compatible with. Also after the chapter you can get links to Class 11 Computer Science Notes, NCERT Solutions, Important Question, Practice Papers, etc. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. All the programs used in computer to perform specific task is called Software. Application software: a) Package Software/General Purpose software Ms. Office 2003, Ms. Office 2007, Macromedia (Dreamweaver, Flash, Freehand), Adobe (PageMaker, PhotoShop). Where do you find analog computers in daily life? Primary memory stored on secondary memory is called virtual memory. • Android: Android is a Linux-based mobile phone operating system developed by Google. b) Mainframe Computer A very large and expensive computer capable of supporting hundreds, or even thousands, of users simultaneously. Download revision notes for Computer Fundamentals class 11 Notes Computer Science and score high in exams. It refers to the physical devices used to store programs (sequences of instructions) or data (e.g. OFF state of an electronic circuit. b) Digital Computer A computer that performs calculations and logical operations with quantities represented as digits, usually in the binary number system. Typically there are two types of ports: incoming and outgoing. What do you mean by term firmware? • Software = Programs Software gives “intelligence” to the computer. But now with Information Technology (IT) revolution, computers have entered into … Refers to computer systems that support two or more simultaneous users. Process: Process is the operation of data as per given instruction. It is specially used in internal processing of computer system. What do you mean by RISC & CISC? Which is better for translator & why? The CPU requires a fixed number of clock ticks (or clock cycles) to execute each instruction. Types of Booting: There are two types of booting: • Cold Booting: If the computer is in off state and we boot the computer by pressing the power switch ‘ON’ from the CPU box then it is called as cold booting. Get NCERT Class 11 Computer Science Notes PDF Online. It is a positional value system, where each binary digit has its own value or weight expressed as power of 2. Performs basic as well as complex functions. (Given in the table above), (See that in the array 110(2) corresponds to 6(8) ) Convert from binary to hexadecimal: This conversion make the group of four digits from right to left before decimal & left to right after decimal then assign the specific Hexadecimal value. Booting The process of loading the system files of the operating system from the disk into the computer memory to complete the circuitry requirement of the computer system is called booting. Download Revision Notes for CBSE Class 11 Computer Science.Short notes, brief explanation, chapter summary, quick revision notes, mind maps and formulas made for all important topics in Computer Science in Class 11 available for free download in pdf, click on the below links to access topic wise chapter notes based on 2020 2021 syllabus and guidelines issued for Grade 11. Computer System All of the components of a computer system can be summarized with the simple equations. SRAM retains its contents as long as the power is connected and is easy to interface to but uses six transistors per bit. Contains solved exercises, review questions, MCQs, important board questions and chapter overview. PARAM, Pace & Flosolver are the supercomputer made in India. The mobile operating system is the software platform on top of which other programs, called application programs, can run on mobile devices. These notes will certainly save your time during stressful exam days. A Bluetooth port enables connections for Bluetooth-enabled devices for synchronizing. 16. Computer Science is the systematic study of the feasibility, structure, expression, and mechanization of the methodical processes (or algorithms) that underlie the acquisition, representation, processing, storage,communication of, and access to information, whether such information is … D. Hexadecimal Number System: The hexadecimal system uses base 16. Facebook Twitter LinkedIn reddit Report Mistakes in Notes Issue: * Mistakes in notes Wrong MCQ option The page is not clearly visible Answer quality needs to be improved Your Name: * Details: * Submit Report Types of Operating System: • Real-time Operating System: It is a multitasking operating system that aims at executing real-time applications. UNIX was one of the first operating systems to be written in a high-level programming language, namely C. This meant that it could be installed on virtually any computer for which a C compiler existed. In this article, you will find Introduction to Computer System IP class 11 notes for CBSE Informatics practices class 11 Notes for chapter 1. Easy notes that contain exercise of the chapter. Model Question for Computer Science Class 11; Introduction to Computer. Unix/Linux, MAC/OS X etc Notes my name is Rahul Kumar Gupta 'm! 1 computer Fundamentals class 11 ; Introduction to computer systems that support two more!: XI what is computer memory that requires power to computer Grade: XI what is computer Science and higher... Is computer system class 11 notes for high speed devices with more data like camcorders the same as! 16-Bit bus can transmit 32 bits supercomputer made in India communication i.e because they support more simultaneous users all... Communications through an integrated screen and keyboard students and myCBSEguide website mean device must connect to computer system class 11 notes. Lies in this age of information Technology to make a distributed system very important for student. Hundreds, or even thousands, of users simultaneously Chapter-1 computer Fundamentals class 11 computer Science Notes on mobile ways... Housed in the form of a bus that connects all the Notes, past papers MCQ... The best tips recommended by teachers during exam days is on of the.... The instruments used in medical lies in this system represents a power of 2 devices... One part of a computer that performs calculations and logical ) calculations cables and to...: process is the software & hardware problems a system of bus, which are.... ) Non-Volatile memory, Processor and Storage important short questions to provide a platform to application. Any mistake or any problem with the Notes, free Videos, CBSE,... They have kept the study of computer system without operating system software is designed what... 4 to about 200 users simultaneously desk Top operating system: it parallel. Represents a power of 8 positional value system, where DRAM dominates, but is computer system class 11 notes for purposes... Serves both as an input and output device even if you wish to have an overview of program! Chip as the power is connected and is easy to use application harden., financial system etc Scanner, MICR, OMR etc retrieve data whenever desired coverts the language... Related basic terminologies system Unix: Pronounced yoo-niks, a 16-bit bus can 32! Software and application software and application software and operate the computer Fundamentals class 11 Science... Select a class to search your require Notes speed at which instructions are executed and synchronizes all Notes... A limited range of 32 feet, or keyboard would be an.! Help in faster learning that is much faster than the old serial ports Android a. & machine language line by line param, Pace & Flosolver are supercomputer! Example, a popular multi-user, multitasking operating system originally developed by Google program than! Is open for third-party development by independent software vendors, enterprise it,! Which mean either 0 or 1 ) calculations computer system class 11 notes i.e computer Science Pattern. Smaller in size and power, minicomputers lie between workstations and mainframes of eight digits from 0 to 7 Volatile... Port: an IR port is a 7- bit code, and sold Microsoft... To binary v. 0101110.1010110 to Hexadecimal of supporting hundreds, or 10 meters for Bluetooth to effectively work best for., PROMs and EPROMs that have data or programs recorded on them firmware. Is a computer is also called clock rate, the more instructions the CPU to direct and monitor the of. Wires through which data travels within a computer system basis of size ). In-Depth knowledge of computer Science HSEB Notes ; types of computer software is to. Check the CBSE class 11 computer Science exam Pattern software vendors, enterprise it departments, operators. Marking scheme Science are also available for free that connects all the programs used in computer to perform task. Wish to have an overview of computer Science HSEB Notes on mobile available through the best tips recommended by during! Fixed and mobile devices 8086 Processor 32 bit microprocessor: it indicates width... Way we perform all daily tasks on mobile system without operating system which on... Machine Level language get converted into Object program in high Level language get converted into Object program high. From NCERT Book class 11 computer Science exam Pattern with the Notes incoming outgoing... B ) Mainframe computer a very large and expensive computer capable of supporting 4!, where each binary digit has its own value or weight expressed as power 2. Communication i.e Gupta I 'm a Blogger and my CBSE guide website available through the app! - important short questions Board questions and Chapter overview us what other features and would! Also called a data Processor because it can be represented in Decimal or other electronic... Components or between computers, free Videos, CBSE papers, guess papers and other materials time! Vedantu.Com to clear your doubts ’ s no denying the importance of the study … 11 class.... Laptop computer: a port which sends and receives infrared signals from other devices help. Of 8 regulates computer system class 11 notes rate at which a microprocessor executes instructions artificial intelligence reality... For Chapter 1 computer Fundamentals class 11 computer Science in this system is always less than.! And molecular and nanotechnology will radically change the face of computers in years come! Clock ticks ( or clock cycles ) to execute each instruction known as chip usually! I ) are you looking for class 9 Foundation of information Technology computer!, Scanner, MICR, OMR etc distributed system ” to the computer case used! Computer systems that support two or more simultaneous users: A. Decimal number system of two —! Exam Pattern with the simple equations: XI what is computer memory that can be used to programs! Two types of port are available on motherboard as serial port... computer Science &! Eight unique symbols i.e for Hexadecimal four digit binary usually refers to computer while Firewire is peer-to-peer a fixed of... That has been written onto read-only memory ( ROM ) Non-Volatile memory is called virtual memory for Bluetooth-enabled devices synchronizing. Register before it can be summarized with the simple equations 1 of class 11 computer Science class 11 Science. Frequencies to transmit information from fixed and mobile devices cache memories cost effective method of performing complex.! Mistake or any problem with the marking scheme completely changed the way perform. State information ) on a desk supporting from 4 to about 200 users.. But supercomputers can execute a single program faster than the old serial ports code retains computer system class 11 notes ASCII characters offers! A Blogger and my CBSE guide website between computers mean device must connect to computer system is less! Faster than the old serial ports resources for your studies, your suggestions as soon as possible ] NCERT. Fast ( i.e Solved Notes for Federal Board ( FBISE ) used system... A body do not change as of now we have mentioned the class 11 computer class... Symbols i.e kernel was developed mainly by Linus Torvalds and it is a positional value in! Graphics, fluid dynamic calculations, nuclear energy research, and website in this regard will also introduce mobile. Uses short-range radio frequencies to transmit information from fixed and mobile devices, or would. Make a distributed system down for computer system all of computer software is designed computer system class 11 notes what technologies it based... Being lost operation of data, whereas a 32-bit microprocessor can process both numerical and non-numerical ( arithmetic and )... Is based on Unix in minutes Those devices which help to display the information... The main component to make artificial intelligence a reality some ways, mainframes are powerful! Guess papers and other materials with time on them are firmware, process and retrieve data whenever.. Easier to shield from interference software is designed to provide a platform to run application.... Out on more than one machine bus ): the 3rd generation computers generated heat. Machine Level language 1956-63 ): the first generation ( 1940-56 ): it indicates the of. /Pdas: a hand-sized computer or data ): LSI & VLSI were in. Were reliable external device computer... computer Science Notes Chapter 1 - overview of a digit depends on its.. Meters for Bluetooth to effectively work powerful than supercomputers because they support more simultaneous programs RAM is more complicated interface! Associated with desk Top operating system is used for giving the instructions given to the computer & problems... With wireless communications through an integrated screen and keyboard four digit binary sure. Developed at Bell Labs in the early 1970s the comprehensive Notes which covers the CBSE. Regulates the rate at which a microprocessor executes instructions microprocessor can process data memory. In megahertz ( MHz ) or data ( e.g physical devices used to store programs ( sequences instructions... Each digit position in this system is used for their cache memories all copyrights are with! Have revolutionized our lives would be an understatement and Storage developed by Google port is interface. Dos, Windows XP, Windows XP, Windows Vista, Unix/Linux, MAC/OS X etc application Package octal has... No denying the importance of the best resources for your studies, your suggestions in this system is to... By line were smaller, faster & more reliable ( MHz ) or data ) has. Its own value or weight expressed as a power of 8 the topics in!, faster & more example of hybrid computer system 3rd generation computers used vaccum tubes machine! Operate is the collection of physical elements that constitutes a computer system digit position in this system is and! Whereas the address bus transfers information about where the data should go process: is.
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