Computer History MCQs | Computer History Short Questions and Answers

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Questions
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

Answer: Digital plotter
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)
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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

Answer: Motherboard
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

Answer: 1906
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

Answer: Both a and b
48 The digital computer was developed primarily in
A USSR
B Japan
C USA
D All of above

Answer: USA
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

Answer: 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

Answer: Binary codes
53 A set of flip flops integrated together is called ____
A Counter
B Adder
C Register
D None of the above

Answer: Register
54 Which is used for manufacturing chips?
A Bus
B Control unit
C Semiconductors
D A and b only

Answer: Semiconductors
55 The first computer introduced in Nepal was
A IBM 1400
B IBM 1401
C IBM 1402
D IBM1402

Answer: IBM 1401
56 A register organized to allow to move left or right operations is called a ____
A Counter
B Loader
C Adder
D Shift register

Answer: Shift register
57 Which was the most popular first generation computer?
A IBM 1650
B IBM 360
C IBM 1130
D None of above

Answer: IBM 1650
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

Answer: Radio Shaks

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