Computer and Operating System MCQs

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RGPV Unit – 1 Basic Computer Engineering MCQs

Q1. Where data is recorded in a floppy disk.

1. Sectors
2. Runs
3. Tracks
4. Rounders

Answer:- 1) Tracks

Q2. When the computer shuts down the ______ contents are lost.

1. input
2. output
3. memory
4. storage

Answer:- 3) memory

Q3. Which standard governs parallel communications?

1. IEEE 1284
2. RS232
3. CAT 5
4. None of the above

Answer:- 1) IEEE 1284

Q4. What is a Software?

1. Software is documentation and configuration of data
2. Software is a set of programs
3. Software is a set of programs, documentation & configuration of data
4. None of the mentioned

Answer:- 3) Software is a set of programs, documentation & configuration of data

Q5. Which one of the following models is not suitable for accommodating any change?

1. Prototyping Model
2. RAD Model
3. Build & Fix Model
4. Waterfall Model

Answer:- 4) Waterfall Modal

Q6. Structured programming codes include?

1. Alteration & Iteration
2. Multiple exits from loops
3. Sequencing
4. Only 1 and 3

Answer:- 1) Alteration & Iteration

Q7. The speed of the processor can be determined by the

1. long clock cycles
2. shorter clock cycles
3. regular clock cycles
4. irregular clock cycles

Answer:- 2) shorter clock cycles

Q8. Turing machine operations were limited to reading and writing symbols on a

1. disk
2. tape
3. magnetic device
4. punched cards

Answer:- 2) tape

Q9. The smallest number that can be stored as positive integers is

1. 0
2. 1
3. 2
4. 3

Answer:- 1) 0

Q10. A hard copy would be prepared on a

1. line printer
2. dot matrix printer
3. typewriter terminal
4. all of the above

Answer:- 4) all of the above

Q11. The term GIGO is related to which characteristics of a computer.

1. Speed
2. Automatic
3. Accuracy
4. Reliability

Answer:- 3) Accuracy

Q12. Which of the following is used to hold running program instructions?

1. Primary Storage
2. Virtual Storage
3. Internal Storage
4. Minor Devices

Answer:- 1) Primary Storage

Q13. Which of the following is non-volatile storage?

1. Backup
2. Secondary
3. Primary
4. Cache

Answer:- 1) Backup

Q14. The capacity to perform multiple tasks simultaneously is termed as _______

1. diligence
2. versatility
3. reliability
4. all of the above

Answer:- 2) versatility

Q15. First Generation Computers used Vaccum tubes for circuitry and ______ for memory

1. transistor and magnetic Core
2. IC and magnetic memory
3. vacuum tubes and magnetic drum
4. IC and magnetic Core

Answer:- 3) vaccum tubes and magnetic drum

Q16. A standard keyboard for desktop computer contains from

1. 101 to 105 keys
2. 105 to 108 keys
3. 99 to 101 keys
4. only letters and number keys

Answer:- 1) 101 to 105 keys

Q17. Computer output may consist of _____

1. Not Video and Audio
2. Text and Graphics
3. Text, Graphics, Video, and Audio
4. Video and Audio

Answer:- 3) Text, Graphics, Video, and Audio

Q18.  ___________ bay (or just a bay) is a site where a storage device is installed.

1. Harddisk
2. CD
3. Storage
4. Memory

Answer:- 3) Storage

Q19. Computer for which processing is used to be done with the help of microprocessors is termed as _____

1. microprocessor
2. microcomputers
3. mega processor
4. mega computers

Answer:- 2) microcomputers

Q20. Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use the same data, are _____

1. mainframe computers
2. supercomputers
3. hybrid computers
4. desktop computers

Answer:- 1) mainframe computers

Q21. Terminal that doesn’t process or store data and simply is an input/output device functions as a window into a computer located somewhere else is called

1. dumb terminal
2. intelligent terminal
3. super terminal
4. low terminal

Answer:- 1) dumb terminal

Q22. Performance of a supercomputer is measured in _____

1. million instructions per second
2. floating-point operations per second
3. kilobits per second
4. megabits per second

Answer:- 2) floating-point operations per second

Q23. In computers, HTML is used to create

1. machine language program
2. high-level program
3. web page
4. webserver

Answer:- 3) web page

Q24. Software can be removed and installed through _______

1. installer
2. control panel
3. debugger
4. linker

Answer:- 2) control panel

Q25. Minicomputer was first released in

1. the 1960s
2. the 1970s
3. the 1980s
4. the 1990s

Answer:- 1) the 1960s

Q26. Emerging higher performance of superminis was

1. 12-bit
2. 16-bit
3. 32-bit
4. 64-bit

Answer:- 3) 32-bit

Q27. Minicomputers are also called

1. hybrid computers
2. supercomputers
3. analog computers
4. midrange computers

Answer:- 4) midrange computers

Q28. To extend the connectivity of the processor bus we use ________

1. PCI bus
2. SCSI bus
3. controllers
4. multiple bus

Answer:- 1) PCI bus

Q29. The processor keeps track of the results of its operations using flags called ________

1. test output flags
2. conditional code flags
3. type flags
4. none of the mentioned

Answer:- 3) type flags

Q30. To overcome the lag in the operating speeds of the I/O device and the processor we use ___________

1. buffer spaces
2. status flags
3. interrupt signals
4. exceptions

Answer:- 2) status flags

Q31. The method which offers higher speeds of I/O transfers is ___________

1. interrupts
2. memory mapping
3. program-controlled I/O
4. DMA

Answer:- 4) DMA

Q32. Component of CPU which is responsible for comparing the contents of two pieces of data is

1. ALU
2. CU
3. memory
4. register

Answer:- 1) ALU

Q33. When arithmetic, logic, and control units of a computer are combined into a single unit, it is known as

1. Central Processing Unit
2. Memory Unit
3. I/O unit
4. Operating Unit

Answer:- 1) Central Processing Unit

Q34. The ‘heart’ of the processor which performs many different operations

1. Arithmetic and logic unit
2. Motherboard
3. Control Unit
4. Memory

Answer:- 1) Arithmetic and logic unit

Q35. IEEE stands for ___________

1. Instantaneous Electrical Engineering
2. Institute of Emerging Electrical Engineers
3. Institute of Emerging Electronic Engineers
4. Institute of Electrical and electronics engineers

Answer:- 4) Institute of Electrical and electronics engineers

Q36. The register is a type of __________

1. combinational circuit
2. CPU
3. sequential circuit
4. latches

Answer:- 3) sequential circuit

Q37. How many methods of shifting of data are available?

1. 1
2. 2
3. 3
4. 4

Answer:- 2) 2

Q38.  ____________ is the raw material used as input and instructions is the processed data obtained as an output of data processing.

1. Instructions
2. Program
3. Data
4. Code

Answer:- 3) Data

Q39. A process is a _______

1. single thread of execution
2. program in the execution
3. program in the memory
4. task

Answer:- 2) program in the execution

Q40. What is the smallest unit of the information?

1. Bit
2. Byte
3. Block
4. Nibble

Answer:- 1) Bit

Q41. In an aircraft, serial data transfer is achieved by _________

1. code division multiplexing
2. frequency division multiplexing
3. pulse modulation
4. time-division multiplexing

Answer:- 4) time-division multiplexing

Q42. A solution to the problem of external fragmentation is _____

  1. compaction
  2. large memory space
  3. Small memory space
  4. none of these

Answer:- 1) compaction

Q43. Which bus carry addresses?

1. System bus
2. Address bus
3. Control bus
4. Data bus

Answer:- 2) Address bus

Q44. In register address mode, the operand is stored in ______

1. 8-bit general purpose register
2. 16-bit general-purpose register
3. si or di
4. all of the above

Answer:- 4) all of the above

Q45. In which of the following addressing mode, the offset is obtained by adding displacement, with the contents of SI?

1. Direct mode
2. Register mode
3. Based mode
4. lndexed mode

Answer:- 4) Indexed mode

Q46. A machine language instruction format consists of ______

1. operand field
2. operation code field
3. operation code field & operand field
4. none of the these

Answer:- 4) none of the these

Q47. When an instruction is read from the memory, it is called

1. memory read cycle
2. fetch cycle
3. instruction cycle
4. memory write cycle

Answer:- 2) fetch cycle

Q48. The number of instructions needed to add numbers and store the result in memory using only one address instruction is _____

1. n
2. n-1
3. n+1
4. independent of n

Answer:- 4) independent of n

Q49. Which of the following is the fastest means of memory access for CPU?

1. Registers
2. Cache
3. Main memory
4. Virtual Memory

Answer:- 1) Registers

Q50. Which of the following header files must necessarily be included to use dynamic memory allocation functions?

1. stdlib.h
2. stdio.h
3. memory.h
4. dos.h

Answer:- 1) stdlib.h

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Q51. Which of the following is an example of static memory allocation?

1. Linked list
2. Stack
3. Queue
4. Array

Answer:- 4) Array

Q52. The next level of memory hierarchy after the L2 cache is _______

1. secondary storage
2. TLB
3. main memory
4. register

Answer:- 4) register

Q53. Which of the following is not a type of memory?

1. RAM
2. FPROM
3. EEPROM
4. ROM

Answer:- 3) EEPROM

Q54. The chip by which both the operation of reading and write is performed __________

1. RAM
2. ROM
3. PROM
4. EPROM

Answer:- 1) RAM

Q55. Which of the following has the capability to store the information permanently?

1. RAM
2. ROM
3. Storage cells
4. Both RAM and ROM

Answer:- 2) ROM

Q56. Which of the following is not a point-and-draw device?

1. Keypad
2. Trackball
3. Touch screen
4. Mouse

Answer:- 1) Keypad

Q57. Input Devices that use a special ink that contains magnetizable particles of iron oxide are ____

1. optical disks
2. magnetic disks
3. MICR
4. magnetic drives

Answer:- 3) MICR

Q58. _____ device used for video games, flight simulators, training simulators and for controlling industrial robots.

1. Mouse
2. Light pen
3. Joystick
4. Keyboard

Answer:- 3) Joystick

Q59. What type of devices are computer speakers or headphones?

1. Input
2. Input/Output
3. Software
4. Output

Answer:- 4) Output

Q60. Which device of computer operation dispenses with the use of the keyboard?

1. Joystick
2. Light pen
3. Mouse
4. Touch

Answer:- 3) Mouse

Q61. Which of the following is designed to control the operations of a computer?

1. Application Software
2. System Software
3. Utility Software
4. User

Answer:- 2) System Software

Q62. Which of the following is not an operating system?

1. Windows
2. Linux
3. Oracle
4. DOS

Answer:- 3) Oracle

Q63. Which memory translates one line at a time?

1. Interpreter
2. Translator
3. Simulator
4. None of the above

Answer:- 1) Interpreter

Operating System MCQs

Q64. _____ infect computers and other electronic devices.

  1. Malwares
  2. Viruses
  3. Worms
  4. Trojans

Answer:- 2) Viruses

Q65. _____ uses an Internet connection to access vulnerable parts of other computers and install copies of themselves in the computers.

  1. Malwares
  2. Viruses
  3. Worms
  4. Trojans

Answer:- 3) Worms

Q66. _____ are malware that tricks the user into downloading and installing a program onto their system.

  1. Spyware
  2. Viruses
  3. Worms
  4. Trojans

Answer:- 4) Trojans

Q67. _____ collects confidential information, such as bank account details, from the user’s system and 
send it to an external computer.

  1. Spyware
  2. Viruses
  3. Worms
  4. Trojans

Answer:- 1) Spyware

Q68. One of the more controversial areas of computer ethics concerns the _____ rights connected with software ownership.

  1. intellectual property
  2. privacy
  3. security
  4. none of these

Answer:- 1) intellectual property

Q69. The term e-business was coined by IBM’s Marketing and Internet teams in the year_____

  1. 1986
  2. 1894
  3. 1846
  4. 1996

Answer:- 4) 1996

Q70. Which of the following deals with procedures, practices, and values?

  1. Piracy
  2. Programs
  3. Virus
  4. Computer ethics

Answer:- 4) Computer ethics

Q71. Commercial programs made available to the public legally are known as _____

  1. Freeware
  2. Warez
  3. Free software
  4. Software

Answer:- 2) Warez

Q72. _____ is the legal access to the network or computer system.

  1. Security
  2. Cracking
  3. Virus
  4. Piracy

Answer:- 2) Cracking

Q73. _____ is a set of rules for determining the moral standards of socially acceptable behaviour.

  1. Protocol
  2. Standard
  3. Ethics
  4. None of this

Answer:- 3) Ethics

Q74. Running other software on an idle computer without the knowledge of the organization is called the thief of _____

  1. software
  2. computer
  3. computer time
  4. System

Answer:- 3) computer time

Q75. _____ is the technique used in business organizations and firms to protect IT assets.

  1. Ethical hacking
  2. Unethical hacking
  3. Fixing bugs
  4. Internet data breach

Answer:- 1) Ethical hacking

Q76. The legal risk of ethical hacking includes loss due to _____ of personal data.

  1. hacking
  2. stealing
  3. detecting
  4. disclosure

Answer:- 4) disclosure

Q77. After performing _____ the ethical hacking should never disclose client information to other parties.

  1. cracking
  2. hacking
  3. exploiting
  4. penetration testing

Answer:- 4) penetration testing

Q78. Bioinformatics combines molecular biology and _____

  1. biology
  2. chemical
  3. physiology
  4. computer science

Answer:- 4) computer science

Q79. _____ is the scientific study of the earth’s atmosphere in terms of weather formation and forecasting.

  1. Climatology
  2. Meteorology
  3. Both
  4. None of these

Answer:- 2) Meteorology

Q80. _____ is the study of global patterns of climates and characteristics over a period of time.

  1. Climatology
  2. Meteorology
  3. Both 1 & 2
  4. None of these

Answer:- 1) Climatology

Q81. _____ is one of most common and oldest uses of multimedia for entertainment.

  1. Computer gaming
  2. Multimedia
  3. Animation
  4. All of these

Answer:- 1) Computer gaming

Q82. _____ is an intrinsic part of the multimedia system.

  1. Network
  2. Computer
  3. Animation
  4. Entertainment

Answer:- 2) Computer

Q83. _____ is the process of playing the animation continuously.

  1. Looping
  2. Morphing
  3. Rendering
  4. Framing

Answer:- 1) Looping

Q84. _____ is the transformation of one image to another.

  1. Looping
  2. Morphing
  3. Rendering
  4. Framing

Answer:- 2) Morphing

Q85. _____ is the process to create an image from a data file.

  1. Looping
  2. Morphing
  3. Rendering
  4. Framing

Answer:- 3) Rendering

Q86. The protection of hardware, magnetic disk, and other illegal accessed, stolen, damaged or destroyed item refers to _____

  1. physical security
  2. personal security
  3. privacy
  4. none of these

Answer:- 1) physical security

Q87. _____. is system software that controls and coordinates the use of hardware among the different
application software and users.

  1. Storage device
  2. Processor
  3. Operating system
  4. Computer system

Answer:- 3) Operating system

Q88. _____ system is a large and complex software consisting of several components.

  1. Storage device
  2. Processor
  3. Operating system
  4. Computer system

Answer:- 3) Operating system

Q89. _____ scheduling is important for the operating system.

  1. CPU
  2. Hard disk
  3. Keyboard
  4. RAM

Answer:- 1) CPU

Q90. _____ is one of the primary computer resources.

  1. CPU or Processor
  2. Hard disk
  3. Keyboard
  4. RAM

Answer:- 1) CPU or Processor

Q91. When two or more processes execute at the same time, independent of each other, they are called _____

  1. concurrent processes
  2. Deadlock
  3. ROM
  4. Hard disk

Answer:- 1) Concurrent processes

Q92. Which of the following is not an operating system?

  1. Windows
  2. Oracle
  3. Dos
  4. Linux

Answer:- 2) Oracle

Q93. A system is in a safe state if

  1. The system can allocate resources to each process
  2. There exist a safe sequence
  3. All of the mentioned
  4. None of these

Answer:- 1) The system can allocate resources to each process

Q94. Which one of the following is the address generated by CPU?

  1. Physical address
  2. Absolute address
  3. Logical address
  4. None of these

Answer:- 3) Logical address

Q95. Memory management technique is which system stored data from secondary storage from use in main memory is called _____

  1. fragmentation
  2. mapping
  3. paging
  4. None of these

Answer:- 3) paging

Q96. Program always deals with _____

  1. logical address
  2. absolute address
  3. physical address
  4. relative address

Answer:- 1) logical address

Q97. Operating system maintains the page table for _____

  1. each process
  2. each thread
  3. each address
  4. each instruction

Answer:- 1) each process

Q98. Which module gives control of the CPU to the process selected by the short-term scheduler?

  1. Scheduler
  2. Interrupt
  3. Dispatcher
  4. None of these

Answer:- 3) Dispatcher

Q99. Operating system is a collection of

  1. software routines
  2. input output devices
  3. hardware components
  4. all of these

Answer:- 1) software routines

Q100. OS stands for

  1. Operating solve
  2. Open source
  3. Open system
  4. Operating system

Answer:- 4) Operating system

Q101. World wide web is being standard for

  1. World wide corporation
  2. World wide web standard
  3. World white corporation
  4. None of these

Answer:- 4) None of these

Q102. Linux is an _____Operating system.

  1. Open source
  2. Microsoft
  3. Windows
  4. Mac

Answer:- 1) Open source

Q103. Which one of the following errors will be handled by the operating system?

  1. Power failure
  2. Lack of paper in printer
  3. Connection failure in the network
  4. All of these

Answer:- 4) All of these

Q104. The operating system each process has its own.

  1. Address space and global variables
  2. Open files
  3. Pending alarms, signal handlers
  4. All of these

Answer:- 4) All of these

Q105. _____ is a collection of electrons that can operate a port, bus, or device.

  1. Controller
  2. Host
  3. Drivers
  4. All of these

Answer:- 1) Controller

Q106. _____ register is read by the host to get input.

  1. Flow in
  2. Flow out
  3. Data in
  4. Data out

Answer:- 3) Data in

Q107. The hardware mechanism that allows a device to notify the CPU is called _____

  1. polling
  2. interrupt
  3. driver
  4. controller

Answer:- 2) interrupt

Q108. The CPU hardware has a wire called _____ that the CPU sense after executing every instruction.

  1. interrupt request line
  2. interrupt receive line
  3. interrupt sense line
  4. none of these

Answer:- 1) interrupt request line

Q109. Operating system is _____

  1. enable the programs to drive a flowchart
  2. provide layer user friendly interface
  3. link a program with subroutine it reference
  4. all of these

Answer:- 2) provider layer user-friendly interface

Q110. Which of the following is not a part of the operating system?

  1. Input / output control program
  2. Job control program
  3. Supervisor
  4. Performance monitor

Answer:- 4) Performance monitor

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