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Computer Basics MCQS Paper 1
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1. A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
2. Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Microcomputers
Mainframe computers
Super computer
3. The ALU of a computer responds to the commands coming from
Primary memory
Control section
External memory
Cache memory
4. Chief component of first generation computer was
Transistors
Vacuum Tubes and Valves
Integrated Circuits
None of above
5. To produce high quality graphics (hardcopy) in color, you would want to use a/n
RGB monitor
Plotter
Ink-jet printer
Laser printer
6. What are the stages in the compilation process?
Feasibility study, system design and testing
Implementation and documentation
Lexical Analysis, syntax analysis, and code generation
None of the above
7. Which of the following IC was used in third generation of computers?
SSI
MSI
LSI
Both a and b
8. The main electronic component used in first generation computers was
Transistors
Vacuum Tubes and Valves
Integrated Circuits
None of above
9. A dumb terminal has
an embedded microprocessor
extensive memory
independent processing capability
a keyboard and screen
10. One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
11. The output quality of a printer is measured by
Dot per sq. inch
Dot per inch
Dots printed per unit time
All of the above
12. Which of the following was a special purpose computer?
ABC
ENIAC
EDVAC
All of the above
13. What was the computer invented by Attanasoff and Clifford?
Mark I
ABC
Z3
None of above
14. Which of the following storage devices can store maximum amount of data?
Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk
15. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
ENIAC
MARK I
Z3
ABC
16. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
Path
Address bus
Route
All of the above
17. High density double sided floppy disks could store _____ of data
1.40 MB
1.44 GB
1.40 GB
1.44 MB
18. A high quality CAD system uses the following for printing drawing and graphs
Dot matrix printer
Digital plotter
Line printer
All of the above
19. Which of the following is not an input device?
OCR
Optical scanners
Voice recognition device
COM (Computer Output to Microfilm)
20. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
16 digits
6 digits
9 digits
All of the above
21. 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?
Motherboard
Daughterboard
Bredboard
Fatherboard
22. 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?
Motherboard
Breadboard
Daughter board
Grandmother board
23. Magnetic disks are the most popular medium for
Direct access
Sequential access
Both of above
None of above
24. A technique used by codes to convert an analog signal into a digital bit stream is known as
Pulse code modulation
Pulse stretcher
Query processing
Queue management
25. Regarding a VDU, Which statement is more correct
It is an output device
It is an input device
It is a peripheral device
It is hardware item
26. A modern electronic computer is a machine that is meant for
Doing quick mathematical calculations
Input, storage, manipulation and outputting of data
Electronic data processing
Performing repetitive tasks accurately
27. When was vacuum tube invented?
1900
1906
1910
1880
28. Which of the following produces the best quality graphics reproduction?
Laser printer
Ink jet printer
Plotter
Dot matrix printer
29. Computers with 80286 microprocessor is
XT computer
AT comptuers
PS/2 computer
None of above
30. An application suitable for sequential processing is
Processing of grades
Payroll processing
Both a and b
All of above
31. Which of the following is not processing?
arranging
manipulating
calculating
gathering
32. The digital computer was developed primarily in
USSR
Japan
USA
UK
33. Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
34. Today?s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
Tabulator Machine Co
Computing Tabulating Recording Co
The Tabulator Ltd
International Computer Ltd
35. 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?
Track number
Sector number
Surface number
All of above
36. The arranging of data in a logical sequence is called
Sorting
Classifying
Reproducing
Summarizing
37. What is the responsibility of the logical unit in the CPU of a computer?
To produce result
To compare numbers
To control flow of information
To do math?s works
38. Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
39. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216
65,536
64K
Any of the above
40. Instructions and memory address are represented by
Character code
Binary codes
Binary word
Parity bit
41. The terminal device that functions as a cash register, computer terminal, and OCR reader is the
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
42. A set of flip flops integrated together is called ____
Counter
Adder
Register
None of the above
43. People often call ______ as the brain of computer system
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
44. Which is used for manufacturing chips?
Bus
Control unit
Semiconductors
A and b only
45. The value of each bead in heaven is
1
3
5
7
46. The first computer introduced in Nepal was
IBM 1400
IBM 1401
IBM 1402
IBM1402
47. Mnemonic a memory trick is used in which of the following language?
Machine language
Assembly language
High level language
None of above
48. Instruction in computer languages consists of
OPCODE
OPEARND
Both of above
None of above
49. Which generation of computer is still under development
Fourth Generation
Fifth Generation
Sixth Generation
Seventh Generation
50. A register organized to allow to move left or right operations is called a ____
Counter
Loader
Adder
Shift register
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