21. 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 as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
[toggle] Answer – C[/toggle]
22. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand 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
[toggle] Answer – A [/toggle]
23. The brain of any computer system is
A. ALU
B. Memory
C. CPU
D. Control unit
[toggle] Answer – C[/toggle]
24. Storage capacity of magnetic disk depends on
A. tracks per inch of surface
B. bits per inch of tracks
C. disk pack in disk surface
D. All of above
[toggle] Answer – D[/toggle]
25. The two kinds of main memory are:
A. Primary and secondary
B. Random and sequential
C. ROM and RAM
D. All of above
[toggle] Answer – C[/toggle]
26. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
A. Memory
B. Buffer
C. Accumulator
D. Address
[toggle] Answer – B [/toggle]
27. Integrated Circuits (Ics) are related to which generation of computers?
A. First generation
B. Second generation
C. Third generation
D. Fourth generation
[toggle] Answer – C[/toggle]
28. CD-ROM is a
A. Semiconductor memory
B. Memory register
C. Magnetic memory
D. None of above
[toggle] Answer – D[/toggle]
29. A hybrid computer
A. Resembles digital computer
B. Resembles analogue computer
C. Resembles both a digital and analogue computer
D. None of the above
[toggle] Answer – C[/toggle]
30. Which type of computers uses the 8-bit code called EBCDIC?
A. Minicomputers
B. Microcomputers
C. Mainframe computers
D. Super computer
[toggle] Answer – C[/toggle]
31. The ALU of a computer responds to the commands coming from
A. Primary memory
B. Control section
C. External memory
D. Cache memory
[toggle] Answer – B [/toggle]
32. Chief component of first generation computer was
A. Transistors
B. Vacuum Tubes and Valves
C. Integrated Circuits
D. None of above
[toggle] Answer – B [/toggle]
33. To produce high quality graphics (hard copy) in color, you would want to use a/n
A. RGB monitor
B. Plotter
C. Ink-jet printer
D. Laser printer
[toggle] Answer – B [/toggle]
34. Which of the following IC was used in third generation of computers?
A. SSI
B. MSI
C. LSI
D. Both a and b
[toggle] Answer – D[/toggle]
35. The main electronic component used in first generation computers was
A. Transistors
B. Vacuum Tubes and Valves
C. Integrated Circuits
D. None of above
[toggle] Answer – B [/toggle]
36. A dumb terminal has
A. an embedded microprocessor
B. extensive memory
C. independent processing capability
D. a keyboard and screen
[toggle] Answer – D[/toggle]
37. The output quality of a printer is measured by
A. Dot per sq. inch
B. Dot per inch
C. Dots printed per unit time
D. All of the above
[toggle] Answer – B [/toggle]
38. Which of the following was a special purpose computer?
A. ABC
B. ENIAC
C. EDVAC
D. All of the above
[toggle] Answer – A [/toggle]
39. Which of the following storage devices can store maximum amount of data?
A. Floppy Disk
B. Hard Disk
C. Compact Disk
D. Magneto Optic Disk
[toggle] Answer – B [/toggle]
40. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
A. Path
B. Address bus
C. Route
D. All of the above
[toggle] Answer – B [/toggle]