As a result microprocessors came into existence. MULTIPLE CHOICE QUESTIONS Solved MCQs of class-11 (first year) from past examinations of the Federal Board. 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. A hybrid computer system setup offers a cost effective method of performing complex simulations. 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. Are you looking for Class 11 Computer Science Notes for Federal Board (FBISE)? (After we round and cut the number) Convert from decimal to hexadecimal, (After we round and cut the number) Convert from octal to decimal Index the digits of the number 5150.1-13-25-31-43-56-6 We multiply each digit 5* 81 +5*80 +1*8-1 +3*8-2 +5*8-3 +1*8-4 +3*8-5 +6*8-6 = 40 + 5 + 0.125 + 0.03125 + 0.009766 + 0.000244 + 0.0001 + 0.0000229 = 45.1663829(10), Convert from hexadecimal to decimal Index the digits of the number 2 1130.2-114-29-37-48-513-6 We multiply each digit 2*161 +13*160 +2*16-1 +14*16-2 +9*16-3 +7*16-4 +8*16-5 +13*16-6 = 32 + 13 + 0.125 + 0.0546875 + 0.00219727 + 0.00010681 + 0.00000762 + 0.00000077 = 45.18199997(10) Convert from binary to octal: For this conversion make the group of three digits from right to left before decimal & left to right after decimal then assign the specific octal value. Why? In the hierarchy that starts with a simple microprocessor (in watches, for example) at the bottom and moves to supercomputers at the top, mainframes are just below supercomputers. Convert the followings: i. It is used for transmitting data, control signal and memory address from one component to another. The term primary memory is used for the information in physical systems which are fast (i.e. All the programs used in computer to perform specific task is called Software. Ans. USB is host based, mean device must connect to computer while Firewire is peer-to-peer. Make sure to comment down your experience regarding our website. All HLL support is done in Hardware. It takes one statement of HLL and converts it into machine code which is immediately executed. Class 11 Computer Science Notes - Chapter 1 - Overview of Computer System - Exercise. It is specially used in internal processing of computer system. Output is also called as Result. However, DRAM uses only one transistor and a capacitor per bit, allowing it to reach much higher densities and, with more bits on a memory chip, be much cheaper per bit. Don’t forget to like our facebook page for updates regarding new material on our website. 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. B. Interpreter: It is a translator which converts the HLL language into machine language line by line. Memory (i) (Do yourself). Short Questions. CBSE Computer Science Chapter 1 Computer Fundamentals class 11 Notes Computer Science in PDF are available for free download in myCBSEguide mobile app. Input Devices: Those devices which help to enter data into computer system. Ch # 2 - Computer Memory. 128 bit Microprocessor: It indicates the width of the registers. Together, they are also called the CPU. RELATED ARTICLES MORE FROM AUTHOR. 2015 | 2014 | 2013. Come and download for FREE. Some computers of this generation are ENIAC, EDVAC, EDSAC & UNIVAC-1. A large and varied instruction set. To download Computer Fundamentals class 11 Notes, sample paper for class 11 Chemistry, Physics, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. By comparison, current 32-bit CISC and RISC microprocessor architectures depend on 32-bit registers, branch prediction, memory latency, and implicit parallelism, which are considered a less efficient approach in microarchitecture design. all of The fourth Generation(1972- present): LSI & VLSI were used in this generation. 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. Previous article Past Papers Solved Notes for Computer Science Class 11. Short Notes On Instructional Planning And Teaching Methods. On the basis of Size a) Super Computer The fastest type of computer. It provides plug & play communication. Non Volatile Memory (ROM) Non-volatile memory is computer memory that can retain the stored information even when not powered. The Third Generation(1964-71): The 3rd generation computers replaced transistors with Integrated circuit known as chip. Units of Memory: The smallest unit is bit, which mean either 0 or 1. 4. They are popularly associated with Desk Top operating system which run on standalone systems where no user accounts are required. But supercomputers can execute a single program faster than a mainframe. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. Class 11 Computer Science Notes PDF Free Download. c) Hybrid Computer (Analog + Digital) A combination of computers those are capable of inputting and outputting in both digital and analog signals. These are the Computer Fundamentals class 11 Notes Computer Science prepared by team of expert teachers. Components of Computer System: Input, output, Processor and Storage. NCERT Solutions, NCERT Exemplars, Revison Notes, Free Videos, CBSE Papers, MCQ Tests & more. Check out the latest CBSE NCERT Class 11 Computer Science Syllabus.The syllabus is for the academic year 2020-21 session. Ans. All buses consist of two parts — an address bus and a data bus. Performs basic as well as complex functions. It has base of 8. Keyboad, Mouse, Touchscreen, Barcode Reader, Scanner, MICR, OMR etc. • Centre of Mass For a system of particles, the centre of mass is defined […] © 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. In size and power, minicomputers lie between workstations and mainframes. Which electronic device invention brought revolution in earlier computers? Types of Operating System: • Real-time Operating System: It is a multitasking operating system that aims at executing real-time applications. Eg. Functions of operating System: • Processor Management • Memory Management • File Management • Device Management. Another term for multi-user is time sharing. Performs only basic functions. (Do yourself), 12. 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. iii. There is great development in data communication. The basis of size a ) Super computer the fastest type of serial connection that is much faster than notebook. App and my CBSE guide website, images etc Bluetooth uses short-range radio frequencies to transmit information from and. 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