Every topic in computer, Summaries of Computer science

A summary on computer with every topic explained properly

Typology: Summaries

2025/2026

Available from 04/27/2026

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\c Na att do FAtsT SEMESTER En CHOR va NTRODUCTION TO COMPUTERS ‘TIME: 1 HOUR n BLOCK CIS 1011 Instruction: ction: Answer all the questions in section A and B (Fill in your Name a ad Reg. N nd Ke; umber ti letters) (Shade all your choices) sesesstseeeeee EEG, NUMBERS voesesseveresenescete DEPARTMENT: .-+++eeerersseee* spossevecconccsssncoeaonssenses NAME:.. SECTION A: Multi-Choice questions uch as printing and closing) windows to a board (¢) None of the above allow(s) users to interactively send instructions (s Electronic Keyboard computer using graphical icons. (a) Commands (b) GUI (c) Printer (d) Key An example of peripheral equipment is A. Random Access Memory B. Diode C. D. Read Only Memory E. None of the above s and sees to the execution of program instruction is 3, The section of the CPU that selects, interpret A. Memory B. Register Unit C, Control Unit D. ALU E. None of the above puter memory which also referred to as Auxiliary memory is A. Random Access EPROM E. None of the above 4 The most common com Memory B. Magnetic Disk C. Core Memory D. A. Memorizing Past Events B. Conversion Of Data It Low-Level Language E. None of the above The main function of a computer memory is C. Retrieval Of Information Only D. Translation OF 7A, Automated Production System B, Design Systems 6. Which of the following is not a computer application C. Stock Control D. All of the above 7, The 3 components that make up the central __ DU C. Disk, Drivers, Input Units, Output Units D. Keyboard, VDU, Mouse B. Bus, Printer, Vv Memory, Read Only Memory E. None of the above g. Most important advantage of an IC is it’s A. Easy replacement in case of circuit failur 5. None of the above les B. Fields and records reliability C- Reduces into A. Sectors and fi 9, The surface of an auxiliary storage unit ds D. Tracks and Cells E. None of the above punched card B. the C. Files and recor 10. The 2:main types of computer main memory are A. Magnetic ROM C. Primary and secondary memories D. Magnetic disk and tape E. None of the above 11. The class of computer concerned with the signals which are either On of OFF is called A. B. Microcomputer C. Mainframe D. Hand-held computer E. None of the above units or stages that every processing system 12 7 and are the 3 basic r system is known as ____——- 2. will basically have. 13. A program controls an g ofa compute 14. is a class of computers stly used in homes and offices. 15. Arithmetic manipulations are made on a proces: e help of? A. Register B- Micro-chip C- Control signal, D, CPU E, None of the above 16. The unit which co-ordinates the step- C. Logie unit D. Input unit E. B. Program unit 17, The result obtained when data passes through som vnawn as A. Output unit B. Documents C. Communications D.D te ems w A, Electronic and ALU, Main processing unit are © B. Extremely high RAM and the Mini-computer tes the proper functionin; that are mo; sor with th id co-ordinal by-step running of the whole computer is the A. System unit None of the above e manipulations to organi ata E, None of the above ze them to be meaningful is ICS] CamScanner & : i ~ BBB 4 18. A memory with capacity of IMB has byte A. 1,000,000 bytes B. 1,024,000 4, 4 3% 2, D. 524,248 bytes E. None of the above “% a is a tool in windows which allows usets tO view programs, documents and data files thay oN 19. have on your computer 1. image printed text? A. OCR B. OMR ©, Mic 20. Which of the following devices can be used to direc’ D. MGRE. All of the above 21. Who designed the first electronic computer — ENIAC A. Vi Eckert and John Mauchly D. All of the above £, None of the above 22. Personnel who design, progtam, operate and maintain computer equipments refer to A. Console-operate ‘an-Neumann B. Joseph M. Jacquard C. J. Presper B. Programmer C. People-ware D. System analyst E. None of the above 23. What is the name of the display feature that highlights are of the screen which requires operator attention? A, Pixel B. Reverse video C. Touch screen D, Cursor E. None of the above 24. Software instruction intended to satisfy a user’s specific processing needs are called A, System software B. process software C. documentation D. application E. User software 25. The system unit of a personal computer typically contains all of the following except _____— A. Mioro-processor B. Disk controller C. Serial interface D. Modem B. None of the above 26. A computer program that converts an entire program into machine language is called a/an A. Interpreter B. Simulator C. Compiler D. commander E, None of the above é ‘ an’ peice pr hae Ganalates one program instruction at a time into machine language 1S called a/an os - in in : mai ef Lon Compiler D. Stimulator E, None of the above 28. A small igent device is so called because it contains within ita__—_— A. Computer B. Micro computer C, Programmable D. sensor E. None of the above 2 29. The ALU of a computer responds to the commands coming from the ___— A. Primary memor, B. ante} section ic External memory D, Cache memory E. None of the above 30. The 2 kinds of main memory are; A. Primary and secondary B. Random and sequential C. ROM and RA D. All of the above E. None of the above 31. Programs designed to perform specific task is known as A. System software B. application softwa Cc. utility programs D. operating system E. None of the above 32. A storage device where the access is dependable upon the location of the data is A. random access B. seri access C. sequential access D. transaction access E. None of the above 33. What is the purpose of an operating system, and what are the main functions it performs a. Proce management b. CPU C. Compiler D. Stimulator E. None of the above 34. What are the components of a CPU in a computer a. Control Unit B. Program unit C. Logic unit D. In software a. Utilit unit E: None of the above 35. System software can further be classified into 2; operating software and storage c. anti-virus d. file management system 36. How many types of BOOTING are there? A. 5 b.3..2d.4 37. Which of the following is not a stage of system development cycle? A. Design b. Test runnin Implementation d. Observation 38. Which doesn’t belong to the group? A. Floppy disk b. Flash drive c. Compact disk d. Memory unit 39. The first computers were programmed using a. machine language b. object code c. source! d. assembly language 40. Which number base system is used by low level language? A. Duodecimal b. binary c. hexadecim decimal SECTION B: THEORY QUESTIONS What function does a logic cireult perform’? What are numerous files referred to us? State ony two (2) works humans perform better than computers PyrFR Ft ee nee