(Do yourself), 10. This is a bus that connects all the internal computer components to the CPU and main memory. Computer hardware refers to the physical parts or components of a computer such as the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD), system unit (graphic cards, sound cards, memory, motherboard and chips), etc. The 1394 interface is comparable with USB and often those two technologies are considered together, though USB has more market share. It is the collection of letters, numbers, images etc. 2. A hybrid computer system setup offers a cost effective method of performing complex simulations. Ans. Tyrocity.com envisions the education system of the country to be redefined through active engagement, discussions, required assistance and by bringing the right information to your fingertips. Firmware is a combination of software and hardware. CBSE Revision notes for Class 11 Computer Science PDF, CBSE Revision notes Class 11 Computer Science – CBSE, CBSE Revisions notes and Key Points Class 11 Computer Science, Summary of the NCERT books all chapters in Computer Science class 11, Short notes for CBSE class 11th Computer Science, Key notes and chapter summary of Computer Science class 11. e) Workstations A terminal or desktop computer in a network. 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. The computers using this technology known to be Micro Computers. Memory to memory addressing mode. Using these symbols as digits we can express any quantity. 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. All buses consist of two parts — an address bus and a data bus. 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 … It is base-2 system. The CPU (Central Processing Unit) is the device that interprets and executes instructions. Today, the market is dominated by the IBM PC-compatible computer, the majority of which run Microsoft Windows. 2. How to Create Worksheets using Test Generator? ROMs, PROMs and EPROMs that have data or programs recorded on them are Firmware. The instructions given to the computer in the form of a program is called Software. The concepts should be clear which will help in faster learning. RAM), as a distinction from secondary memory, which are physical devices for program and data storage which are slow to access but offer higher memory capacity. 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Bus: A collection of wires through which data is transmitted from one part of a computer to another. What do you mean by Defragmentation? A Source program in High Level Language get converted into Object Program in Machine Level Language. Clock speeds are expressed in megahertz (MHz) or gigahertz ((GHz). Functions of operating System: • Processor Management • Memory Management • File Management • Device Management. The best app for CBSE students now provides Computer Fundamentals class 11 Notes Computer Science latest chapter wise notes for quick preparation of CBSE exams and school based annual examinations. Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website. Which electronic device invention brought revolution in earlier computers? Don’t forget to like our facebook page for updates regarding new material on our website. Application software: a) Package Software/General Purpose software Ms. Office 2003, Ms. Office 2007, Macromedia (Dreamweaver, Flash, Freehand), Adobe (PageMaker, PhotoShop). Each digit position in this system represents a power of 8. But we are looking forward to including this option in the future. Scroll down for Computer System from NCERT Book Class 11 Computer Science Book & important study material. It superseded their earlier SunOS in 1993. 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. Convert from octal to binary, 1. We are working hard to provide the best resources for your studies, your suggestions in this regard will also be highly appreciated. COMPUTER SYSTEM Some decades ago, computers were known to a common man as simply a fast calculating device. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. 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. It is also called base-10 system. Come and download for FREE. Answer: A computer is also called a data processor because it can store, process and retrieve data whenever desired. The revision notes help you revise the whole chapter in minutes. Also present is an up-and-coming system, Linux, which is an open source system based on UNIX (an alternate PC-compatible system dating to the late 1970s; it was more complex and used for industrial, rather than home, use). Together, they are also called the CPU. 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. Performs basic as well as complex functions. The fourth Generation(1972- present): LSI & VLSI were used in this generation. Class 11 Computer Science Notes - Chapter 1 - Overview of Computer System - Important Short Questions that contain short questions. This is referred to as the Central Processing Unit (CPU) and is housed in the computer case. We will also introduce a mobile app for viewing all the notes on mobile. Input Devices. Class 11 Computer Notes are free and will always remain free. CENTRAL PROCESSING UNIT (CPU) The main component to make a computer operate is the computer chip or microprocessor. Secondary Memory: A. Microprocessor. Memory. (AF2)16 to Binary v. 0101110.1010110 to Hexadecimal. Most modern semiconductor volatile memory is either Static RAM or dynamic RAM. PARAM, Pace & Flosolver are the supercomputer made in India. (Given in the table above), Convert from hexadecimal to octal and binary: In this conversion write the binary of specific digit. The notes are all prepared by subject experts, and they have kept the study … Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. ... Notes Cahpter 2 Computer Science ICS Part 1 Notes - Inter Part 1 Notes Notes for 11th . b) Mainframe Computer A very large and expensive computer capable of supporting hundreds, or even thousands, of users simultaneously. They will not only be able to understand concepts better but perform excellently and score higher grades in the examinations. Non Volatile Memory (ROM) Non-volatile memory is computer memory that can retain the stored information even when not powered. It is totally internal process of the computer system. Ans. It is of two types- L1 cache is on the same chip as the microprocessor. Rahul-NOTES provides BBS Notes (TU), HSEB Notes, (Class 11 and 12), SEE Notes, Computer Class Notes, Microsoft Office Notes, Tally, Swastic, QBasic, Online computer education in nepali Language also Available in our blog. Ch # 2 - Computer Memory. ISCII code retains all ASCII characters and offers coding for Indian scripts also. But now with Information Technology (IT) revolution, computers have entered into … Chapter One : Introduction to Computer ... Computer Science | HSEB Notes; Types of Programming Languages; Application Package. When computers in a group work in cooperation, they make a distributed system. The use of parallel processing and superconductors is helping to make artificial intelligence a reality. Bluetooth: Bluetooth uses short-range radio frequencies to transmit information from fixed and mobile devices. Input (Data): Input is the raw information entered into a computer from the input devices. 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. It is an 8-bit code capable of coding 256 characters. The instruments used in medical lies in this category. When used in reference to personal computers, the term bus usually refers to internal bus. 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. The faster the clock, the more instructions the CPU can execute per second. Octal Number System. Software and Classification. (236)8 to Binary iii. It provides much higher data transfer speed in comparison with serial port. 4. For Octal three digit binary & for Hexadecimal four digit binary. The concepts should be clear which will help in faster learning. What do you mean by language processors? Convert the followings: i. It uses the digits 0 through 9 plus the letters A, B, C, D, E, F as 16 digit symbols. Computer System All of the components of a computer system can be summarized with the simple equations. RISC system has reduced number of instructions. This generation computers generated less heat & were reliable. PS/2 port, 13. (266)10 to Hexadecimal iv. A 16-bit microprocessor can process data and memory addresses that are represented by 16 bits. Notes. Example of Use: e.g. (Do yourself), 11. They are popularly associated with Desk Top operating system which run on standalone systems where no user accounts are required. Symbian OS combines middleware with wireless communications through an integrated mailbox and the integration of Java and PIM functionality (agenda and contacts). In Bike-speedometer, voltmeter. A freely-distributable open source operating system that runs on a number of hardware platforms. 128 bit Microprocessor: It indicates the width of the registers. It refers to the physical devices used to store programs (sequences of instructions) or data (e.g. Also tell us what other features and resources would you like to see in the website. From Small scale integrated circuits which had 10 transistors per chip, technology developed to MSI circuits with 100 transistors per chip. FireWire Port: The IEEE 1394 interface, developed in late 1980s and early 1990s by Apple as FireWire, is a serial bus interface standard for high-speed communications and isochronous real-time data transfer.