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Free download in PDF Computer History Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams of BCA, IBPS etc. These short solved questions or quizzes are provided by Gkseries.
41
A high quality CAD system uses the following for printing drawing and graphs
[A]
Dot matrix printer
[B]
Digital plotter
[C]
Line printer
[D]
All of the above
42
Which of the following is not an input device?
[A]
OCR
[B]
Optical scanners
[C]
Voice recognition device
[D]
COM (Computer Output to Microfilm)
Answer: COM (Computer Output to Microfilm)
43
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
[A]
Motherboard
[B]
Breadboard
[C]
Daughter board
[D]
Grandmother board
44
A technique used by codes to convert an analog signal into a digital bit stream is known as
[A]
Pulse code modulation
[B]
Pulse stretcher
[C]
Query processing
[D]
Queue management
Answer: Pulse code modulation
45
Regarding a VDU, Which statement is more correct?
[A]
It is an output device
[B]
It is an input device
[C]
It is a peripheral device
[D]
It is hardware item
Answer: It is a peripheral device
46
When was vacuum tube invented?
[A]
1900
[B]
1906
[C]
1910
[D]
1880
47
An application suitable for sequential processing is
[A]
Processing of grades
[B]
Payroll processing
[C]
Both a and b
[D]
All of the above
48
The digital computer was developed primarily in
[A]
USSR
[B]
Japan
[C]
USA
[D]
All of above
49
Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
[A]
Track number
[B]
Sector number
[C]
Surface number
[D]
All of above
50
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
Answer: To compare numbers
51
Abacus was the first
[A]
electronic computer
[B]
mechanical computer
[C]
electronic calculator
[D]
mechanical calculator
Answer: mechanical calculator
52
Instructions and memory address are represented by
[A]
Character code
[B]
Binary codes
[C]
Binary word
[D]
Parity bit
53
A set of flip flops integrated together is called ____
[A]
Counter
[B]
Adder
[C]
Register
[D]
None of the above
54
Which is used for manufacturing chips?
[A]
Bus
[B]
Control unit
[C]
Semiconductors
[D]
A and b only
55
The first computer introduced in Nepal was
[A]
IBM 1400
[B]
IBM 1401
[C]
IBM 1402
[D]
IBM1402
56
A register organized to allow to move left or right operations is called a ____
[A]
Counter
[B]
Loader
[C]
Adder
[D]
Shift register
57
Which was the most popular first generation computer?
[A]
IBM 1650
[B]
IBM 360
[C]
IBM 1130
[D]
None of above
58
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
Answer: Process description
59
BCD is
[A]
Binary Coded Decimal
[B]
Bit Coded Decimal
[C]
Binary Coded Digit
[D]
Bit Coded Digit
Answer: Binary Coded Decimal
60
The first firm to mass-market a microcomputer as a personal computer was
[A]
IBM
[B]
Super UNIVAC
[C]
Radio Shaks
[D]
Data General Corporation
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