Computer Science > QUESTION PAPER & MARK SCHEME > COMP 0101: INTRODUCTION TO COMPUTER SYSTEMS | WITH 100% CORRECT ANSWERS (All)

COMP 0101: INTRODUCTION TO COMPUTER SYSTEMS | WITH 100% CORRECT ANSWERS

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SECTION A QUESTION ONE (30 Marks) a. What are the main features of von Neumann architecture?[4 mks] a) memory; b) control unit; c) arithmetic logic unit; d) input / output interface. b. What... 3 parts make up the CPU?[3 mks] Control Unit this part controls the input and output devices. Arithmetic Logic Unit this is the part that does all the working out: it does all the maths and makes the decisions. Immediate Access Store this is the memory available for programmes and data. c. What is a software and list Two types of software?[4 mks] Software is set of Programs or instructions. use to perform some specific task by computer. 1.System Software 2.Application Software d. What is representation of data in computer system?[2 mks] Data representation. A binary digit, or bit, is the smallest unit of data in computing. It is represented by a 0 or a 1. Binary numbers are made up of binary digits (bits), eg the binary number 1001. e. What is a number system in computers and List 2 common types?[3 mks] Number systems are the technique to represent numbers in the computer system architecture, every value that you are saving or getting into/from computer memory has a defined number system. Computer architecture supports following number systems. -Binary number system. -Octal number system. -Decimal number system. -HexaDecimal number system f. Work out 2's complements of binary number 010111.1100 is [2 mks] 101000.0100 g. List and Explain THREE functions of Operating Systems[4 mks] Essential functions − Ensures optimum and ef [Show More]

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