Tuesday, May 30, 2023

Computer 101-150 MCQs

Computer



101. RAM can be treated as the ________ for the computer's processor?

a. factory
b. operating room
c. waiting room
d. planning room





102. Which of the following are the functions of a operating system?

a. Allocates resources
b. Monitors Activities
c. Manages disks and files
d. All of the above





103. To move a copy of file from one computer to another over a communication channel is called?

a. File transfer
b. File encryption
c. File modification
d. File coping





104. The primary function of the ________ is to set up the hardware and load and start an operating system?

a. System Programs
b. BIOS
c. CP
d. Memory





105. What kind of memory is both static and non-volatile?

a. RAM
b. ROM
c. BIOS
d. CACHE





106. ________ is computer software designed to operate the computer hardware and to provide platform for running application software?

a. Application software
b. System software
c. Software
d. None of these





107. The ________ is the amount of data that a storage device can move from the storage medium to the Computer per second?

a. data migration rate
b. data digitizing rate
c. data transfer rate
d. data access rate





108. A device, which is not connected to CPU, is called as ________ ?

a. land-line device
b. On-line device
c. Off-line device
d. Device





109. What is the other name for programmed chip?

a. RAM
b. ROM
c. LSIC
d. PROM





110. On-line real time systems become popular in ________ generation?

a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation





111. You use a(n) ________ such as a keyboard or mouse, to input information?

a. output device
b. input device
c. storage device
d. processing device





112. ________ is the ability of a device to "jump" directly to the requested data?

a. Sequential access
b. Random access
c. Quick access
d. All of the above





113. ________ provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously?

a. Multitasking
b. Multithreading
c. Multiprocessing
d. Multicomputing





114. The task of performing operations like arithmetic and logic operations is called ________ ?

a. Processing
b. Storing
c. Editing
d. Sorting





115. ALU and Control Unit jointly known as ________ ?

a. RAM
b. ROM
c. CPU
d. PC





116. RAM is an example of ________ ?

a. Secondary memory
b. Primary memory
c. Both A and B
d. None





117. Magnetic disk is an example of ________ ?

a. Secondary memory
b. Primary memory
c. Main memory
d. Both A and B





118. Which one of the following is NOT a computer language?

a. MS-Excel
b. BASIC
c. COBOL
d. C++





119. ________ Store data or information temporarily and pass it on as directed by the control unit?

a. Address
b. Register
c. Number
d. Memory





120. Select the Odd one from the following _______ .

a. Operating system
b. Interpreter
c. Compiler
d. Assembler





121. A ________ is an additional set of commands that the computer displays after you make a selection from the main menu?

a. dialog box
b. submenu
c. menu selection
d. All of the above





122. COBOL is an acronym for ________ ?

a. Common Business Oriented Language
b. Computer Business Oriented Language
c. Common Business Operated Language
d. Common Business Organized Language





123. All of the following are examples of real security and privacy risks EXCEPT ________ ?

a. hackers
b. spam
c. viruses
d. identity theft





124. Which of the following is NOT one of the four major data processing functions of a computer?

a. gathering data
b. processing data into information
c. analyzing the data or information
d. storing the data or information





125. All of the following are examples of storage devices EXCEPT ________ ?

a. hard disk drives
b. printers
c. floppy disk drives
d. CD drives





126. The CPU and memory are located on the ________ ?

a. expansion board
b. motherboard
c. storage device
d. output device





127. ________ is the science that attempts to produce machines that display the same type of intelligence that humans do?

a. Nanoscience
b. Nanotechnology
c. Simulation
d. Artificial intelligence (Al)





128. When creating a computer program, the ________ designs the structure of the program?

a. End user
b. System Analyst
c. Programmer
d. All of the above





129. Computers process data into information by working exclusively with ________ ?

a. Multimedia
b. Word
c. Numbers
d. Characters





130. Computers manipulate data in many ways, and this manipulation is called ________ ?

a. upgrading
b. processing
c. batching
d. utilizing





131. The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called ________ ?

a. Robotics
b. Simulation
c. Computer forensics
d. Animation





132. Where does most data go first with in a computer memory hierarchy?

a. RAM
b. ROM
c. BIOS
d. CACHE





133. The ________ data mining technique devices rules from real-world case examples?

a. Rule discover
b. Signal processing
c. Neural nets
d. Case-base reasoning





134. ________ are used to identify a user who returns to a Website?

a. Cookies
b. Plug-ins
c. Scripts
d. ASPs





135. Codes consisting of lines of varying widths or lengths that are computer-readable are known as _________ ?

a. an ASCII code
b. a magnetic tape
c. an OCR scanner
d. a bar code





136. Why is it unethical to share copyrighted files with your friends?

a. It is not unethical, because it is legal
b. It is unethical because the files are being given for free
c. Shared copyrighted files without permission breaks copyright laws
d. It is not unethical because the files are being given for free





137. Reusable optical storage will typically have the acronym ________ ?

a. CD
b. DVD
c. ROM
d. RW





138. The most common type of storage devices are _________ ?

a. Magnetic storage
b. Flash memory
c. Optical
d. Both A and B





139. A device that connects to a network without the use of cables is said to be ________ ?

a. Distributed
b. Free
c. Centralized
d. None of these





140. A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a _________ ?

a. Hacker
b. Spammer
c. Instant messenger
d. Programmer





141. To access properties of an object, the mouse technique to use is ________ ?

a. Dragging
b. Dropping
c. Right-clicking
d. Shift-clicking





142. A DVD is an example of a (n) ________ ?

a. hard disk
b. optical disc
c. output device
d. solid-state storage device





143. The process of transferring files from a computer on the Internet to your computer is called ________ ?

a. Downloading
b. Uploading
c. FTP
d. JPEG





144. ASCII is a coding system that provides ________ ?

a. 256 different characters
b. 512 different characters
c. 1024 different characters
d. 128 different characters





145. Which part of the computer is directly involved in executing the instructions of the computer program?

a. The scanner
b. The main storage
c. The secondary storage
d. The processor





146. When a computer is switched on, the booting process performs ________ ?

a. Integrity Test
b. Power-On Self-Test
c. Correcting Functioning Test
d. Reliability Test





147. A computer system that is old and perhaps not satisfactory is referred to as a(n) ________ ?

a. Ancient system
b. Historical system
c. Age old system
d. Legacy system





148. Which of the following is not a binary number?

a. 001
b. 101
c. 202
d. 110





149. Which of the following does not store data permanently?

a. ROM
b. RAM
c. Floppy Disk
d. Hard Disk





150. Which of the following is the smallest storage?

a. Megabyte
b. Gigabyte
c. Terabyte
d. None of these

Computer 51-100 MCQs

Computer



51. What characteristic of read-only memory (ROM) makes it useful?

a. ROM information can be easily updated
b. Data in ROM is non-volatile, that is, it remains there even without electrical power
c. ROM provides very large amounts of inexpensive data storage
d. ROM chips are easily swapped between different brands of computers





52. What do you call the programs that are used to find out possible faults and their causes?

a. Operating system extensions
b. Cookies
c. Diagnostic software
d. Boot diskettes





53. Which programming languages are classified as low level languages?

a. BASIC, COBOL, Fortran
b. Prolog
c. C, C++
d. Assembly languages





54. Which of the following is not anti-viruses software?

a. Avira
b. Kaspersky
c. Oracle
d. McAfee





55. What does DMA stand for?

a. Distinct Memory Access
b. Direct Memory Access
c. Direct Module Access
d. Direct Memory Allocation





56. Which of the following is a storage device?

a. Tape
b. Hard Disk
c. Floppy Disk
d. All of the above





57. When did John Napier develop logarithm?

a.1416
b. 1614
c. 1641
d. 1804





58. MIS is designed to provide information needed for effective decision making by?

a. Consumers
b. Workers
c. Foremen
d. Managers





59. ASCII stands for ________ ?

a. American Stable Code for International Interchange
b. American Standard Case for Institutional Interchange
c. American Standard Code for Information Interchange
d. American Standard Code for Interchange Information





60. Which of the following is first generation of computer?

a. EDSAC
b. IBM-1401
c. CDC-1604
d. ICL-2900





61. IBM 1401 is ________ ?

a. First Generation Computer
b. Second Generation Computer
c. Third Generation Computer
d. Fourth Generation Computer





62. Chief component of first generation computer was ________ ?

a. Transistors
b. Vacuum Tubes and Valves
c. Integrated Circuits
d. None of above





63. Second Generation computers were developed during ________ ?

a. 1949 to 1955
b. 1956 to 1965
c. 1965 to 1970
d. 1970 to 1990





64. The computer size was very large in ________ ?

a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation





65. Microprocessors as switching devices are for ________ generation computers?

a. First Generation
b. Second Generation
c. Third Generation
d. Fourth Generation





66. Which of the following devices can be used to directly image printed text?

a. OCR
b. OMR
c. MICR
d. All of above





67. The output quality of a printer is measured by ________ ?

a. Dot per inch
b. Dot per sq. inch
c. Dots printed per unit time
d. All of above





68. In analogue computer _______ ?

a. Input is first converted to digital form
b. Input is never converted to digital form
c. Output is displayed in digital form
d. All of above





69. In latest generation computers, the instructions are executed _________ ?

a. Parallel only
b. Sequentially only
c. Both sequentially and parallel
d. All of above





70. Who designed the first electronics computer - ENIAC?

a. Van-Neumann
b. Joseph M. Jacquard
c. J. Presper Eckert and John W Mauchly
d. All of above





71. Who invented the high level language "C"?

a. Dennis M. Ritchie
b. Niklaus Writh
c. Seymour Papert
d. Donald Kunth





72. Personnel who design, program, operate and maintain computer equipment refers to ________ ?

a. Console-operator
b. Programmer
c. Peopleware
d. System Analyst





73. An error in software or hardware is called a bug. What is the alternative computer jargon for it?

a. Leech
b. Squid
c. Slug
d. Glitch





74. Modern Computer are very reliable but they are not ________ ?

a. Fast
b. Powerful
c. Infallible
d. Cheap





75. Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

a. Daughter board
b. Motherboard
c. Father board
d. Breadboard





76. What is meant by a dedicated computer?

a. Which is used by one person only
b. Which is assigned one and only one task
c. Which uses one kind of software
d. Which is meant for application software





77. The system unit of a personal computer typically contains all of the following except:

a. Microprocessor
b. Disk controller
c. Serial interface
d. Modem





78. A computer program that converts an entire program into machine language is called a/an ________ .

a. Interpreter
b. Simulator
c. Compiler
d. Commander





79. A small or intelligent device is so called because it contains within it a ________ ?

a. Computer
b. Microcomputer
c. Programmable
d. Sensor





80. A fault in a computer program which prevents it from working correctly is known as ________ ?

a. Boot
b. Bug
c. Biff
d. Strap





81. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is ________ ?

a. Bug
b. Vice
c. Lice
d. Worm





82. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as _______ ?

a. Spam
b. Trash
c. Calibri
d. Courier





83. DOS stands for ________ ?

a. Disk Operating System
b. Disk Operating Session
c. Digital Operating System
d. Digital Open System





84. Who is the Current CEO of Microsoft?

a. Babbage
b. Bill Gates
c. Bill Clinton
d. Satya Nadella





85. Which of the following are input devices?

a. Keyboard
b. Mouse
c. Card reader
d. All of these





86. Examples of output devices are?

a. Screen
b. Printer
c. Speaker
d. All of these





87. Which of the following is also known as brain of computer?

a. Control Unit
b. Central Processing Unit
c. Arithmetic and language unit
d. Monitor





88. ________ translates and executes program at run time line by line?

a. Compiler
b. Interpreter
c. Linker
d. Loader





89. RAM stands for ________ ?

a. Random Origin Money
b. Random Only Memory
c. Read Only Memory
d. Random Access Memory





90. 1 Byte = ________ ?

a. 8 bits
b. 4 bits
c. 2 bits
d. 9 bits





91. BIOS stands for ________ ?

a. Basic Input Output System
b. Binary Input Output System
c. Basic Input Off System
d. All of above





92. Father of "C" programming language?

a. Dennis Ritchie
b. Prof John Keenly
c. Thomas Kurtz
d. Bill Gates





93. The instructions that tell a computer how to carry out the processing tasks are referred to as computer ________ ?

a. programs
b. processors
c. input devices
d. memory modules





94. An area of a computer that temporarily holds data waiting to be processed is ________ ?

a. CPU
b. Memory
c. Storage
d. File





95. ________ is the key to close a selected drop-down list; cancel a command and close a dialog box.

a. TAB
b. SHIFT
c. ESC
d. F10





96. ________ is the key we use to run the selected command?

a. SHIFT
b. TAB
c. ENTER
d. CTRL





97. ________ is the functional key to display save-as box?

a. F5
b. F6
c. F9
d. F12





98. Data becomes ________ when it is presented an a format that people can understand and use.

a. Processed
b. Graphs
c. Information
d. Presentation





99. The term ________ designates equipment that might be added to a computer system to enhance its functionality.

a. digital device
b. system add-on
c. disk pack
d. peripheral device





100. A ________ is a microprocessor-based computing device?

a. Personal Computer
b. Mainframe
c. Workstation
d. Server

Computer 1-50 MCQs

Computer



1. The term 'Computer' is derived from ________ ?

a. Latin

b. German

c. French

d. Arabic





2. Who is the father of Computer?

a. Allen Turing

b. Charles Babbage

c. Simur Cray

d. Augusta Adaming





3. The basic operations performed by a computer are _______ ?

a. Arithmetic operation

b. Logic operation

c. Storage and relative

d. All the above





4. Who is the father of Internet ?

a. Charles Babbage

b. Vint Cerf

c. Denis Riche

d. Martin Cooper





5. If a computer has more than one processor then it is known as ________ ?

a. Uni-process

b. Multiprocessor

c. Multi-threaded

d. Multi-programming





6. A light sensitive device that converts drawing, printed text or other images into digital form is ________ ?

a. Keyboard

b. Scanner

c. OMR

d. None of these





7. WWW stands for ________ ?

a. World Whole Web

b. Wide World Web

c. Web World Wide

d. World Wide Web





8. A collection of system programs that controls and co-ordinates the overall operations of a computer system is called ________ ?

a. System software

b. Operating system

c. Utility program

d. Device driver





9. What type of operating system MS-DOS is?

a. Command Line Interface

b. Graphical User Interface

c. Multitasking

d. Menu Driven Interface





10. Which technology is used in compact disks?

a. Mechanical

b. Electrical

c. Electro Magnetic

d. Laser





11. 1 Gigabyte is equal to ________ ?

a. 1024 bits

b. 1032 megabytes

c. 1024 kilobytes

d. 1024 megabytes





12. The brain of any computer system is ________ ?

a. ALU

b. Memory

c. CPU

d. Control unit





13. Which of the following are components of Central Processing Unit (CPU) ?

a. Arithmetic logic unit, Mouse

b. Arithmetic logic unit, Control unit

c. Arithmetic logic unit, Integrated Circuits

d. Control Unit, Monitor





14. Analog computer works on the supply of ________ ?

a. Continuous electrical pulses

b. Electrical pulses but not continuous

c. Magnetic strength

d. None of the above





15. Which one is Digital device, select from the choices below?

a. Digital Clock

b. Automobile analog speed meter

c. Clock with a dial and two hands

d. All of them





16. The computer that process both analog and digital is called ________ ?

a. Analog computer

b. Digital computer

c. Hybrid computer

d. Mainframe computer





17. CD-ROM stands for ________ ?

a. Compactable Read Only Memory

b. Compact Data Read Only Memory

c. Compactable Disk Read Only Memory

d. Compact Disk Read Only Memory





18. ALU is ________ ?

a. Arithmetic Logic Unit

b. Array Logic Unit

c. Application Logic Unit

d. None of above





19. VGA is _________ ?

a. Video Graphics Array

b. Visual Graphics Array

c. Volatile Graphics Array

d. Video Graphics Adapter





20. MSI stands for ________ ?

a. Medium Scale Integrated Circuits

b. Medium System Integrated Circuits

c. Medium Scale Intelligent Circuit

d. Medium System Intelligent Circuit





21. WAN stands for _______ ?

a. Wap Area Network

b. Wide Area Network

c. Wide Array Net

d. Wireless Area Network





22. What is the main difference between a mainframe and a super computer?

a. Super computer is much larger than mainframe computers

b. Super computers are much smaller than mainframe computers

c. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently

d. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute few programs as fast as possible





23. ________ is called the father of modern digital computer?

a. Allen Turing

b. Blaise Pascal

c. Charles Babbage

d. J.H Muller





24. Who is the father computer science?

a. Allen Turing

b. Charles Babbage

c. Simur Cray

d. Augusta Adaming





25. A CPU contains _______ ?

a. a card reader and a printing device

b. an analytical engine and a control unit

c. a control unit and an arithmetic logic unit

d. an arithmetic logic unit and a card reader





26. Which of the following controls the process of interaction between the user and operating system?

a. User interface

b. Language translator

c. Platform

d. Screen saver





27. The first computers were programmed using _________ ?

a. Assembly language

b. Machine language

c. Source code

d. Object code





28. _________ is a combination of hardware and software that facilitates the sharing of information between computing devices.

a. Network

b. Peripheral

c. Expansion board

d. Digital device





29. Coded entries which are used to gain access to a computer system are called ________ ?

a. Entry codes

b. Passwords

c. Security commands

d. Code words





30. Which of the following statements is true about minicomputer and microcomputer?

a. Minicomputer works faster than Microcomputer

b. Microcomputer works faster than Minicomputer

c. Speed of both the computers is the same

d. The speeds of both these computers cannot be compared with the speed of advanced





31. You can organize files by storing them in ________ ?

a. achieves

b. folders

c. indexes

d. lists





32. What type of resource is most likely to be a shared common resource in a computer Network?

a. Printers

b. Speakers

c. Floppy disk drives

d. None of these





33. Which device is required for the Internet connection?

a. Joystick

b. Modem

c. CD Drive

d. NIC Card





34. What is a light pen?

a. A Mechanical Input device

b. Optical input device

c. Electronic input device

d. Optical output device





35. UNIVAC is _________ ?

a. Universal Automatic Computer

b. Universal Array Computer

c. Unique Automatic Computer

d. Unvalued Automatic Computer





36. The capacity of 3.5 inch floppy disk was ________ ?

a. 1.40 MB

b. 1.44 GB

c. 1.40 GB

d. 1.44 MB





37. MICR stands for ________ ?

a. Magnetic Ink Character Recognition

b. Magnetic Ink Code Reader

c. Magnetic Ink Cases Reader

d. None of these





38. EBCDIC stands for ________ ?

a. Extended Binary Coded Decimal Interchange Code

b. Extended Bit Code Decimal Interchange Code

c. Extended Bit Case Decimal Interchange Code

d. Extended Binary Case Decimal Interchange Code





39. Which of the following is a part of the Central Processing Unit?

a. Printer

b. Key board

c. Mouse

d. Arithmetic & Logic unit





40. CAD stands for _______ ?

a. Computer Aided Design

b. Computer Algorithm for Design

c. Computer Application in Design

d. Computer Analogue Design





41. Junk e-mail is also called ________ ?

a. spam

b. spoof

c. sniffer script

d. spool





42. Which statement describe "Hackers"?

a. all have the same motive

b. break into other people's computers

c. may legally break into computers as long as they do not do any damage

d. are people who are allergic to computers





43. What type of computers are client computers (most of the time) in a client-server system?

a. Mainframe

b. Mini-computer

c. Microcomputer

d. PDA





44. A computer cannot 'boot' if it does not have the ________ ?

a. Compiler

b. Loader

c. Operating System

d. Assembler





45. The amount of vertical space between lines of text in a document is called ________ ?

a. double-space

b. line spacing

c. single space

d. vertical spacing





46. Example of non-numeric data is ________ ?

a. Employee address

b. Examination score

c. Bank balance

d. All of these





47. What is embedded system?

a. The programme which arrives by being wrapped in box

b. The programme which is the permanent part of the computer

c. The computer which is the part of a larger system or machine

d. The computer and software system that control the machine





48. When a file is saved for the first time?

a. a copy is automatically printed

b. it must be given name to identify it

c. it does not need a name

d. it only needs a name if it is not going to be printed





49. Where are data and programme stored when the processor uses them?

a. Main memory

b. Secondary memory

c. Disk memory

d. Programme memory





50. ________ represents raw facts, where-as ________ is data made meaningful?

a. Information, reporting

b. Data, information

c. Information, bits

d. Records, bytes