Best Computer Fundamental MCQs

1. Which term is used to describe RAM?

a)Dynamic RAM (DRAM)
b)Static RAM (SRAM)
c)Video RAM (VRAM)
d)All of the above

d) All of the above

Explanation: Dynamic Random Access Memory(DRAM),Static Random Access Memory(SRAM) and Video Random Access Memory(VRAM) are used to describe RAM.

2. Which of the following are (is) considered to be video component?

a)Resolution
b)Color depth
c)Refresh rate
d)All of the above

d)All of the above

Explanation: Resolution, Color depth and Refresh rate are considered to be video component.

3. On a PC, how much memory is available to application software?

a)1024 KB
b)760 KB
c)640 KB
d)560 KB

c) 640 KB

Explanation: n a PC, 640 KB memory is available to application software..

4. A type of core store that has a lower access time than the devices used for working store in the same processor is known as

a)Core memory
b)Buffer
c)Fast Core
d)Address Register

d)Address Register

5. Which of the following is an acronym for electronic delay storage automatic calculator?

a)UNIVAC
b)EDSAC
c)EDVAC
d)Abacus

b)EDSAC

Explanation:EDVAC was designed by “J. Presper Eckert” and “John Mauchly” at the University of Pennsylvania in the 1940s.

6. Which of the following is form of semiconductor memory in which it is possible to change the contents of selected memory location by applying suitable electrical signals?

a)CAM
b)ROM
c)EPROM
d)Abacus

c)EPROM

Explanation: EPROM stands for Erasable Programmable Read-Only Memory. EPROM is a type of ROM chip that can retain the data even if there is no power supply.

7. A disk storage medium in the form of an assembly containing a single rigid magnetic disk permanently is

a)Fixed disk
b)Disk cartridge
c)Card punch
d)Card reader

b)Disk cartridge

Explanation: It is a portable removable drive, similar to a floppy disk that is capable of holding large amounts of stored information.

8. A memory that is capable of determining whether a given datum is contained in one of its address is

a)ROM
b)PROM
c)CAM
d)RAM

c)CAM

Explanation:CAM stands for Computer Aided Manufacturing

9. A method of implementing a memory management system is

a)Buddy system
b)Bridgeware
c)Broadband coaxial system
d)All of the above

b)Bridgeware

10. A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is

a)Punched paper tape
b)Chip card
c)Card punch
d)Magnetic tape

d)Magnetic tape

Explanation:Magnetic Tape is one kinds of storage device

11. A device that operates under the control of another device is called

a)Stem
b)Slave
c)Simulator
d)Emulator

b)Slave

Explanation: A slave is a computer or peripheral device that operates under the control of another computer peripheral.

12. Actual data processing operation are performed in the automatic logical section but not in the ……….Storage section of a processor unit

a)Primary
b)Accumulator
c)Buffer
d)Secondary

a)Primary

Explanation:A Primary memory is the main memory of the computer

13. The use of spooler programs and/or Hardware allows personal computer operators to do the processing at the same time a printing operation is in progress

a)Registered mails
b)Memory
c)CPU
d)Buffer

b)Memory

Explanation: The memory is a storage device which is used for store data or information

14. Which most popular input device is used today for interactive processing and for the online entry of data for batch processing?

a)Mouse
b)Magnetic Disk
c)Visual display terminal
d)Punched card

a)Mouse

Explanation:The mouse is an input device which is used for selecting, dragging, and clicking to the icons or folders on the computer

15. User Programmable terminals that combine VDT hardware with built-in microprocessor is

a)Kips
b)PC
c)Mainframe
d)Intelligent terminals

d)Intelligent terminals

Explanation:Intelligent terminals include memory and a processor to perform special display operations

16. The number of characters that can be stored in given physical space is

a)Word length
b)Byte
c)Data density
d)Field

c)Data density

17. The storage capacity of a disk system depends on the bits per inch of track and the tracks per inch of

a)Cylinder
b)Hum
c)Cluster
d)Surface

d)Surface

18. The disk drive component used to position read/write heads over a specific track I known as

a)Acoustic couples
b)Access arm
c)Cluster
d)All of the above

b)Access arm

Explanation:The access arm is directed by instructions in the operating system to move the head to a specific track, and the rotation of the platter positions it over the required sector

19. Condensing output data to exhibit specific information is

a)Calculating
b)Recording
c)Merging
d)Summarizing

d)Summarizing

Explanation:Summarizing means cutting it down to its bare essentials. You can use both techniques to clarify and simplify complex information or ideas

20. Which chips using special external equipment can reprogram

a)ROM
b)PROM
c)SAM
d)RAM

b)PROM

Explanation: PROM or programmable read-only memory is a computer memory chip that can be programmed once after it is created

21. A storage device where the access time is depended upon the location of the data is

a)Random Access
b)Serial Access
c)Sequential Access
d)Both b and c

d)b)Serial Access

22. Which number system is commonly used as a shortcut notation for groups of four binary digits?

a)Binary
b)Decimal
c)Octal
d)Hexadecimal

d)Hexadecimal

23. Interface electronic circuit is used to interconnected I/O devices to a computer’s CPU or

a)ALU
b)Memory
c)Buffer
d)Register

b)Memory

24. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?

a)Daisy Wheel
b)Dot matrix
c)Laser
d)Thermal Printer

c)Laser

Explanation:A laser printer is a printer that uses a focused beam or light to transfer text and images onto paper

25. Which of the following printing devices an output composed of a series of data?

a)Wire matrix printer
b)Band printer
c)Wang image printer
d)Both a and c

d)Both a and c

26. The personal computer industry was started by

a)IBM
b)Apple
c)Compaq
d)HCL

a)IBM

27. In the IBM PC-AT, what do the words AT stands for

a)Additional Terminal
b)Advance Technology
c)Applied Technology
d)Advanced Terminology

b)Advance Technology

Explanation: The full form of VDU is the Visual Display Unit. It is a hardware output device that uses a cathode ray tube to display a visual image.

28. Magnetic tape can serve as

a)Secondary storage media
b)Output Media
c)Input Media
d)All of the above

a)Secondary storage media

29. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

a)216
b)65,536
c)64 K
d)Any of the above

b)65,536

30. Which of the following bit patterns represents the decimal value 5?

a)11111001
b)00011010
c)11111011
d)00000101

d)00000101

31. As compared to the secondary memory, the primary memory of a computer is

a)Large
b)Cheap
c)Fast
d)Slow

c)Fast

32. Which of the following is a way to access secondary memory?

a)Random Access Memory
b)Action Method
c)Transfer Method
d)Density Method

a)Random Access Memory

Explanation: Random Access Memory is the full form of RAM. It is also called volatile memory of the computer

33. Which was the most popular first generation computer?

a)IBM 1650
b)IBM 360
c)IBM 1130
d)IBM 2700

a)IBM 1650

34. What is the responsibility of the logical unit in the CPU of a computer?

a)To produce result
b)To compare numbers
c)To control flow of information
d)To do math’s works

b)To compare numbers

35. The secondary storage devices can only store data but they cannot perform

a)Arithmetic Operation
b)Logic Operation
c)Fetch Operation
d)Either of the above

d)Either of the above

36. Which of the printers used in conjunction with computers uses dry ink power?

a)Daisy wheel printer
b)Line printer
c)Laser printer
d)Thermal printer

c)Laser printer

37. Which of the following produces the best quality graphics reproduction?

a)Laser Printer
b)Ink jet Printer
c)Plotter
d)Dot matrix Printer

c)Plotter

Explanation:Plotter is an output device which is used for print vector graphics

38. Which of the following memories allows simultaneous read and writes operations?

a)ROM
b)RAM
c)EPROM
d)None of the above

b)RAM

39. Which of the following memories has the shortest access times?

a)Cache Memory
b)Magnetic bubble memory
c)Magnetic core memory
d)RAM

a)Cache Memory

Explanation:Cache Memory is a special very high-speed memory which is used to reduce the average time to access data from the Main memory

40. A 32-bit microprocessor has the word length equal to

a)2 byte
b)32 byte
c)4 byte
d)8 byte

c)4 byte

41. An error in computer data is called

a)Chip
b)Bug
c)CPU
d)Storage Device

b)Bug

42. A set of information that defines the status of resources allocated to a process is

a)Process control
b)ALU
c)Register Unit
d)Process description

d)Process description

43. Any method for controlling access to or use of memory is known as

a)Memory map
b)Memory protection
c)Memory management
d)Memory instruction

b)Memory protection

44. The silicon chips used for data processing are called

a)RAM Chips
b)ROM Chips
c)Micro Processors
d)PROM Chips

c)Micro Processors

Explanation:A silicon chip is an integrated circuit made primarily of silicon and one of the most common substances used to develop computer chips.

45. The metal disks, which are permanently housed in, sealed and contamination free containers are called

a)Hard disks
b)Floppy disk
c)Winchester disk
d)Flexible disk

c)Winchester disk

46. A computer consists of

a)A central processing unit
b)A memory
c)Input and output unit
d)All of the above

d)All of the above

Explanation: A computer consists of A central processing unit,memory unit, Input and Output unit.

47. An application program that helps the user to change any number and immediately see the result of that change is

a)Desktop publishing program
b)Database
c)Spreadsheet
d)All of the above

c)Spreadsheet

48. The instructions for starting the computer are house on

a)Random access memory
b)CD-ROM
c)Read only memory chip
d)All of the above

c)Read only memory chip

49. The ALU of a computer normally contains a number of high speed storage element called

a)Semiconductor memory
b)Registers
c)Hard disks
d)Magnetic disk

b)Registers

Explanation: Register is the fastest computer memory.

50. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as and that have no moving parts are known as

a)Magnetic core memory
b)Magnetic tape memory
c)Magnetic disk memory
d)Magnetic bubble memory

d)Magnetic bubble memory

Explanation: Bubble memory is a type of non-volatile computer memory that uses a thin film of a magnetic material to hold small magnetized areas, known as bubbles or domains, each storing one bit of data.

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by Santosh Bist
Computer IT Instructor, SEO, Digital Marketer & Web Developer - He is an Administrator & Author of the Informer Guru.

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