Computer Awareness Questions Answers Set-1 | Computer Knowledge for Exam preparation

Computer Awareness Questions Answers Set-1 | Computer Knowledge for Exam preparation

Basic Computer Awareness and Computer Knowledge are very useful in all the kinds of competitive examinations from Clerk level to Officer level. These tests will assess the individual’s computational capabilities which are useful in the day to day work in Banks, Insurance Companies, LIC AAO and other government offices.

computer questions and answers Set 1

1. Blaise Pascal has introduced-

(1). Adding Machine

(2). Abacus

(3). Calculator

(4). Different Engine

(5). None of these


2. Something which has easily understood instruction is said to be-

(1). Information

(2). User Friend

(3). Word

(4). Icon

(5). None of these


3. Difference Engine is the machine introduced by-

(1). Blaze Pascal

(2). Napier

(3). Charles Babbage

(4). Newman

(5). None of these


4. Vacuum Tube is the invention—— generation.

(1). 1st Generation

(2). 2nd Generation

(3). 3rd Generation

(4). 4th Generation

(5). 5th Generation


5. Micro- programmed introduced by-

(1). John Mauchley

(2). Maurice Wilkies

(3). William Shockley

(4). Blaise Pascal

(5). None of these


6. A port is a connector located on the-

(1). Motherboard

(2). RAM

(3). CPU

(4). ROM

(5). None of these


7. The ALU and the CU of a computer jointly known as –

(1). CPU

(2). System Board

(3). Circuit Board

(4). Computer

(5). None of these


8. Full form of PSU which is an internal component used to supply the power-

(1). Power Supply Unit

(2). Permanent Supply Unit

(3). Placement Supply Unit

(4). Programmable Supply Unit

(5). None of these


9. In which generation microprocessor was introduced-

(1). 1st Generation

(2). 2nd Generation

(3). 3rd Generation

(4). 4th Genaration

(5). None of these


10. Convert the Octal number 347 into binary number-

(1). 111000101

(2). 011100111

(3). 101110101

(4). 100000111

(5). None of these


11. The ____ specifies the operation to be performed and co-ordination of instruction execution.

(1). Source Code

(2). Opcode

(3). Object Code

(4). Program Code

(5). None of these


12. _____ is responsible for overall control and co-ordination of instruction  execution.

(1). CPU

(2). Buffer

(3). Spooling

(4). Cache

(5). None of these


13. _____ is a high speed memory, that can be used in between CPU and Main Memory.

(1). CPU

(2). Buffer

(3). Spooling

(4). Cache

(5). None of these


14. Storage Capacity are frequently measured in-

(1). Hz

(2). Byte

(3). MIPS

(4). Bps

(5). None of these


15.  (1024)3  is equivalent to-

(1). Approx 1 Million

(2). Approx 2 Billion

(3). Approx 10 thousand

(4). 3096

(5). None of these


16. PROM is a _____ memory i.e. the stored information remain even if power is switch off.

(1). Volatile Memory

(2). Buffer Memory

(3). Spooling

(4). Non – Volatile

(5). None of these


17.  _____ is the example of magnetic disk.

(1). Hard-Disk

(2). DVD

(3). RAM

(4). Pen drive

(5). None of these


18. Format Command is used to create_____

(1). Sector

(2). Memory

(3). Tracks

(4). Tracks and Sector

(5). None of these


19. Time required by a sector to reach below the head is known as-

(1). Seek Time

(2). Latency Time

(3). Access Time

(4). Disk Time

(5). None of these


20. Disk Access  time is-

(1). Seek Time

(2). Latency Time

(3). Seek Time + Latency Time

(4). Disk Time

(5). None of these


21. A set of corresponding track in all surface of a disk pack is known as-

(1). Surface

(2). Cylinder

(3). Track

(4). Platter

(5). None of these


22. In DVD, V stands for-

(1). Video

(2). Versatile

(3). Both (1) and (2)

(4). Volatile

(5). None  of these


23. ______  transmits one bit of a byte, one at a time as a single stream of bit.

(1). Serial Port

(2). USB Port

(3). Parallel Port

(4). Address Bus

(5). None of these


24. A _____ port is primarily used to connect printers to a computer.

(1). Serial Port

(2). USB Port

(3). Parallel Port

(4). Address Bus

(5). None of these


25. _____ port are the interfaces through which computer communicate with external devices such as printer, modem, joystick, terminal etc.

(1). Serial Port

(2). USB Port

(3). Parallel Port

(4). I / O Port

(5). None of these


26. Function keys, Control keys, Arrow keys, Modifier keys, toggle keys are known as—-

(1). Special keys

(2). Alpha keys

(3). Esc keys

(4). Multimedia keys

(5). None of these


27. ____ Mouse uses laser rays for the movement of cursor.

(1). Mechanical Mouse

(2). Optical Mouse

(3). Magnetic Mouse

(4). Normal Mouse

(5). None of these


28. ____ can be used with any CRT monitor but not with the LCD monitor.

(1). Joystick

(2). Light Pen

(3). Trackball

(4). Mouse

(5). None of these


29. The primary goal of a computer is to turn data into-

(1). Report

(2). Information

(3). Table

(4). Address

(5). None  of these


30. _____ Technologies is used by banks for faster processing of large volumes of cheques.

(1). OCR

(2). OMR

(3). MICR

(4). Bar Code

(5). None of these


31. The operating system is also called the _______ between the user and the computer.

(1). Interface

(2). Interrelate

(3). Interference

(4). Intermediate

(5). None of these


32. When installing a peripheral you also usually need to install a_________.

(1). Port

(2). Server

(3). Password

(4). Driver

(5). None  of these


33. Computers use which of the following number systems to store information ?

(1). Base 2

(2). Base 4

(3). Base 8

(4). Base 10

(5). None of these


34.  The shortcut keys for undo are

(1). win button + E

(2). CTRL + X

(3). Win Button + R

(4). CTRL + Z

(5). None of these


35. What are the four key functions of a computer system ?

(1). Input, Processing, Output, and storage

(2). Keyboard, display, memory, and disk drive

(3). word processing, spreadsheets, database

(4). Bits, Bytes, words, and OSI

(5). None of these


36. Clock Speed is a speed at which _____ executes instruction.

(1). RAM

(2). ROM

(3). Processor

(4). Printer

(5). None of these


37. This component is required to process data into information and consists of integrated circuit.

(1). RAM

(2). CPU

(3). Processor

(4). Printer

(5). None of these


38. Which of the following is not hardware of a computer ?

(1). Monitor

(2). Windows

(3). KeyBoard

(4). Printer

(5). None of these


39.  To Print a document, press ____ then press enter.

(1). Shift +p

(2). Ctrl + p

(3). Alt + p

(4). Esc + p

(5). None of these


40. The smallest unit of information a computer can understand and process is known as a—–.

(1).  K. B.

(2).  M. B.

(3).  bit

(4).  Byte

(5).  None of these


41. What is the main folder on a storage device called ?

(1). Platform

(2). Interface

(3). Root – Directory

(4). Home – Page

(5). None of these


42. Which of these keys is not on the number keypad ?

(1). Ctrl

(2). Del

(3). Enter

(4). Num Lock

(5). None of these


43. Which device can understand the difference between data and programs ?

(1). Input Device

(2). Output device

(3). Memory

(4). Microprocessor

(5). None of these


44. The—- tells the computer how to use its components.

(1). Utility

(2). Network

(3). Operating System

(4). Application Software

(5). None of these


45.  The central processing unit contains which of the following as components.

(1). ALU

(2). ROM

(3). Processor

(4). RAM

(5). None of these


46. Ctrl, Shift and  Del are known as-

(1). Modifier Keys

(2). Control Keys

(3). Toggle keys

(4). Function keys

(5). None of these


47. When you start your computer from the off position then it is known as-

(1). Hard booting

(2). Processing

(3). Storage

(4). Soft booting

(5). None of these


48. Data is stored in computer  as-

(1). File

(2). Floppies

(3). Dir

(4). Root Dir

(5). None of these


49. Various application and documents are represented on the windows by-

(1). Icon

(2). labels

(3). Graphs

(4). Symbols

(5). None of these


50. Fax machine and  imaging systems are example of ____.

(1). Bar – Code  reader

(2). Optical Reader

(3). Scanning device

(4). Plotter

(5). None of these


All the best for your upcoming exam!!

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Updated: April 18, 2019 — 1:41 am

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