Computer MCQ Quiz Hub

1. Which of the following is not a class of computers based on size?
Mainframe Computers
Mini Computers
Micro Computers
Super Computers

2. Who invented EDSAC?
John v. Neumann
J.p. Eckert and John Mauchley
Maurice Wilkes
Howard Aiken

3. EEPROM stands for
Electrically Erasable Programmable Read Only Memory
Electronic Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory

4. Which of the following is a class of computers based on model?
Digital Computer
Hybrid Computers
Analog Computers
AT Computers

5. What are the computers called that performs calculations and comparisons usually in the binary numbering system?
Analog Computers
Digital Computers
Hybrid Computers
None of above

6. ASCII stands for
American Standard Code for Information Interchange
American Scientific Code for International Interchange
American Standard Code for Intelligence Interchange
American Scientific Code for Information Interchange

7. The data recording format in most of the modern magnetic tape is
7-bit ASCII
7-bit EBCDIC
8-bit ASCII
8-bit EBCDIC

8. Why ABC computer is called so?
Because it was developed by Atanasoff and Berry
Because it was thought to be the first computer so named with first alphabets of English
Both of above are the reason to name the computer ABC
None of above are true

9. Who designed the first electronics computer ? ENIAC/
Von Neumann
oseph M Jacquard
J. P. Eckert and J. W. Mauchly
All of above

10. Central Processing Unit is combination of
Control and storage
Control and output unit
Arithmetic logic and input unit
Arithmetic logic and control unit

11. IBM 1401 computer was
Mainframe Computer
Mini Computers
Micro Computers
None of above

12. Time during which a job is processed by the computer is
Delay times
Real time
Execution time
Down time

13. CD-ROM stands for
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory

14. Which unit converts user data into machine readable form?
Input unit
Output unit
ALU
Control Unit

15. Which unit is known as nerve center of computer?
ALU
CU
Memory
Registers

16. What does the disk drive of a computer do?
Rotate the disk
Read the disk
Load a program from the disk into the memory
Both b and c

17. Access time is
seek time + latency time
seek time
seek time
latency time

18. Who invented the microprocessor?
Marcian E Huff
Herman H Goldstein
Joseph Jacquard
All of above

19. MICR stands for
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Case Reader
None of above

20. The Width of a processor’s data path is measured in bits. Which of the following are common data paths?
8 bits
12 bits
16 bits
32 bits

21. MSI is the abbreviation of
Medium Scale Integrated
Medium System Integrated
Medium Scale Intelligent
Medium System Intelligent

22. IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel disk drives from Tandon operating system from Microsoft the printer from Epson and the application software from everywhere. Can you name the country which contributed
India
China
Germany
Taiwan

23. Which statement is valid about interpreter?
It translates one instruction at a time
Object code is saved for future use
Repeated interpretation is not necessary
All of above

24. Easily reloctable language is
Machine language
Assembly language
High level language
Medium level language

25. Which of the following memories needs refresh?
SRAM
DRAM
ROM
All of above

26. Through which device the main components of the computer communicate with each other?
Keyboard
System Bus
Monitor
Memory

27. What type of device is computer keyboard?
Memory
Output
Storage
Input

28. Which is the limitation of high level language?
Lower efficiency
Machine dependence
machine level coding
None of above

29. An example of a digital device can be
Digital clock
Automobile speed meter
Clock with a dial and two hands
All of above

30. Which of the following is not true?
Transistors are much smaller
Transistors produce low heat
Transistors were less reliable
Transistors were used in radios and other electronic devices

31. A characteristic of card systems is:
Slowness in processing data
Using cards as records of transactions
Needing a larger DP staff
All of above

32. The full form of EEPROM is
Electrically Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory
Electronic Erasable Programmable Read Only Memory
None of the above

33. The original ASCII code used__bits of each byte reserving that last bit for error checking
5
6
7
8

34. A computer programmer
Does all the thinking for a computer
Can enter input data quickly
Can operate all types of computer equipments
Can draw only flowchart

35. Fifth generation computer is also known as
Knowledge information processing system
Very large scale integration (VLSI)
Both of above
None of above

36. The commonly used standard data code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called
ASCII
EBCDIC
BCD
All of above

37. Which of the following have low failure rate?
mechanical devices
electronic devices
electro-mechanical devices
None of above

38. Which of the following memories need refresh?
SRAM
DRAM
ROM
All of above

39. A typical personal computer used for business purposes would have__ of RAM.
4 KB
16 K
64 K
256 K

40. The ALU of a computer normally contains a number of high speed storage element called
Semiconductor memory
Registers
Hard disks
Magnetic disk

41. Which was the computer conceived by Babbage?
Analytical Engine
Arithmetic Machine
Donald Kunth
All of above

42. The processing speed of first generation computers was
milliseconds
microseconds
nanoseconds
picoseconds

43. Model 5100 was ______ in 1957.
The first PC built by IBM
The first PC built by Apple
he first PC built by Motorola
The first PC built by Intel

44. VGA is
Video Graphics Array
Visual Graphics Array
Volatile Graphics Array
Video Graphics Adapter

45. A kind of scanner MICR is the short form of
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None

46. Which of the following is not a class based on size?
Mainframe Computer
Micro Computer
Mini Computer
Digital Computer

47. Which 8-bit chip was used in many of today’s TRS-80 computers?
Z-8000
Motorola 6809
Z-8808
Z-80

48. Which of the following disk is fixed disk?
Hard Disks
Flash Disks
Blu-Ray Disks
DVDs

49. Which of the following professions has not been affected by personal computers?
Medical
Clerical and law
Accounting
None of the above

50. The word Abacus is derived from Abax a word from
Latin language
Greek Language
Sanskrit language
Ancient Egypt