- 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
ANS:- (B) Digital plotter
2. Which of the following is not an input device?
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
Ans:- (D) COM (Computer Output to Microfilm)
3. The accuracy of the floating-point numbers re-presentable in two 16-bit words of a computer is approximately
A) 16 digits
B) 6 digits
C) 9 digits
D) All of above
Ans:- (B) 6 digits
4. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board
A) Motherboard
B) Daughter board
C) Breadboard
D) Father board
Ans:- (A) Motherboard
5. 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 boar
Ans:- (A) Motherboard
6. Magnetic disks are the most popular medium for
A) Direct access
B) Sequential access
C) Both of above
D) None of above
Ans:- (D) None of above
7. A technique used by codes to convert an analog signal into a digital bit stream is known
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
Ans:- (A) Pulse code modulation
8. 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
Ans:- (A) It is an output device
9. A modern electronic computer is a machine that is meant for
A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately
Ans:- (B) Input, storage, manipulation and outputting of data
10. When was vacuum tube invented?
A) 1900
B) 1906
C) 1910
D) 1880
Ans:- (B) 1906
11. Which of the following produces the best quality graphics reproduction?
A) Laser printer
B) Ink jet printer
C) Plotter
D) Dot matrix printer
Ans:- (C) Plotter
12. Computers with 80286 microprocessor is
A) XT computer
B) AT computers
C) PS/2 computer
D) None of above
Ans:- (B) AT computers
13. An application suitable for sequential processing is
A) Processing of grades
B) Payroll processing
C) Both a and b
D) All of above
Ans:- (C) Both a and b
14. Which of the following is not processing?
A) arranging
B) manipulating
C) calculating
D) gathering
Ans:- (D) gathering
15. The digital computer was developed primarily in
A) USSR
B) Japan
C) USA
D) UK
Ans:- (C) USA
16. Software in computer
A) Enhances the capabilities of the hardware machine
B) Increase the speed of central processing unit
C) Both of above
D) None of above
Ans:- (A) Enhances the capabilities of the hardware machine
17. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd.
Ans:-(B) Computing Tabulating Recording Co.
18. 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
Ans:- (A) Track number
19. The arranging of data in a logical sequence is called
A) Sorting
B) Classifying
C) Reproducing
D) Summarizing
Ans:- (A) Sorting
20. 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 work
Ans:- (B) To compare numbers
21. Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator
Ans:- (D) mechanical calculator
22. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will
A) 216
B) 65,536
C) 64K
D) Any of the above
Ans:- (B) 65,536
23. Instructions and memory address are represented by
A) Character code
B) Binary codes
C) Binary word
D) Parity bit
Ans:- (B) Binary codes
24. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
A) Data collection terminal
B) OCR register terminal
C) Video Display terminal
D) POS terminal
Ans:- (D) POS terminal
25. A set of flip flops integrated together is called __
A) Counter
B) Adder
C) Register
D) None of the above
Ans:- (C) Register
26. People often call __ as the brain of computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit
Ans:- (C) Central Processing Unit
27. Which is used for manufacturing chips?
A) Bus
B) Control unit
C) Semiconductors
D) A and b only
Ans:- (C) Semiconductors
28. The value of each bead in heaven is
A) 1
B) 3
C) 5
D) 7
Ans:- (C) 5
29. The first computer introduced in Nepal was
A) IBM 1400
B) IBM 1401
C) IBM 1402
D) IBM1402
Ans:- (B) IBM 1401
30. Mnemonic a memory trick is used in which of the following language?
A) Machine language
B) Assembly language
C) High level language
D) None of above
Ans:- (B) Assembly language