A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

41. Various applications and documents are represented on the Windows desktop by __.
a. icons
b. labels
c. graphs
d. symbols
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Answer: (a).icons

42. The coordination of processor operation in CPU is controled by
a. CU
b. ALU
c. Registers
d. All of the above
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Answer: (a).CU

43. Who invent the microprocessor?
a. John Atansof
b. Marican E Huff
c. Joseph Jucquard
d. All contribute to invent the microprocessor
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Answer: (d).All contribute to invent the microprocessor

44. The name of the first microprocessor chip was
a. Intel1004
b. Intel2004
c. Intel3004
d. Intel4004
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Answer: (d).Intel4004

45. Intel introduced first 32 bit processor in
a. 1985
b. 1987
c. 1989
d. 1993
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Answer: (a).1985

46. In a microprocessor there are 120 instructions, how many bits needed to implement this
a. 5
b. 6
c. 7
d. 8
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Answer: (c).7

47. IBM introduced first 16 bit microprocessor in
a. 1981
b. 1982
c. 1983
d. 1984
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Answer: (b).1982

48. Which device can understand the difference data and programs?
a. ALU
b. Registers
c. Motherboard
d. Microprocessor
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Answer: (d).Microprocessor

49. A memory bus is used for communication between
a. ALU and Register
b. Processor and Memory
c. Input and Output devices
d. All of the above
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Answer: (b).Processor and Memory

50. The fourth generation computer was made up of
a. chips
b. transistor
c. vaccume tubes
d. microprocessor chips
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Answer: (d).microprocessor chips

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