50 IBPS model questions or sample question for practice from Computer Knowledge section with Answer Key.
The Computer Knowledge section questions for IBPS, IBPS PO, IBPS Clerks and IBPS Specialist Officers Exam 2012 – 2013 are listed below. Try to find the answers for these questions. The answers for these questions are prepared from the answer key.
Below Contains 50 questions from computer knowledge – Computer section.
Answers Key are at the end of last question.
1. Base of Octal Number system is
(1) 18
(2) 16
(3) 2
(4) 8
2. Base of Hexadecimal Number system is
(1) 2
(2) 8
(3) 16
(4) 10
3. The binary representation of decimal number 49 is
(1) 1 0 0 0 1 1
(2) 1 1 0 0 0 1
(3) 1 0 1 0 0 1
(4) 1 1 0 0 1 1
4. The conversion of (1011001)₂ in decimal system is
(1) 91
(2) 89
(3) 101
(4) 98
5. The octal equivalent of 52₁₀ is
(1) 54
(2) 62
(3) 48
(4) 64
6. The conversion of 143₈ in decimal system is
(1) 133
(2) 100
(3) 98
(4) 99
7. The hexadecimal number equivalent to 431₁₀ is
(1) 2 AB
(2) 1 AF
(3) 1 FA
(4) 2 BA
8. The decimal number 65 in hexadecimal system is
(1) (41)₁₆
(2) (40)₁₆
(3) (42)₁₆
(4) (43)₁₆
9. The hexadecimal number 4 E is binary equivalent to
(1) 1 1 0 1 1 0 0
(2) 1 0 0 1 1 1 0
(3) 110 1 11
(4) 1 0 0 1 0 1 1
10. Multiplication of (1 1 1)₂ and (10 1)₂ is
(1) 1 0 1 0 1 0 2
(2) 1 1 1 0 0 0 2
(3) 1 1 0 0 1 1 2
(4) 1 0 0 0 1 1 2
11. As with input devices, a particular computer system can have
(1) only one output device
(2) only two output devices
(3) many different output devices
(4) None of the above
12. Which one of the following is not an octal number ?
(1) 1 1 0 1 1 0 1
(2) 2 5 6 0
(3) 2 7 9 1
(4) (10 0)₂
13. Subtraction of (47)₈ from (52)₈ is
(1) 5S
(2) 68
(3) 48
(4) 38
14. A binary digit which can have a value of 0 or 1 is
(1) Byte
(2) Decimal
(3) Bit
(4) None of the above
100
15. A special storage register associated with the arithmetic logic unit (ALU) is
(1) ALU
(2) CPU
(3) Accumulator
(4) None of the above
16. Nibble contains
(1) 4 bits
(2) 8 bits
(3) 16 bits
(4) 32 bits
17. A group of bits is
(1) Byte
(2) Field
(3) Data
(4) Word
18. An error in computer data is called
(1) Chip
(2) Bug
(3) Byte
(4) Bit
19. A half byte is known as
(1) Bit
(2) Half byte
(3) Nibble
(4) Data
20. Secondary memory device is
(1) ALU
(2) Floppy disk
(3) CPU
(4) Mouse
21. Computer is a/an
(1) Mechanical device
(2) Electronic device
(3) Electrical device
(4) None of the above
22. The computer memory, which can be programmed once but cannot be reprogrammed is
(1) RAM
(2) PROM
(3) EPROM
(4) SAM
23. Microprocessor consists of
(1) Memory and CPU
(2) Hardware and software
(3) ALU and control unit
(4) None of the above
24. With 6 bits, it is possible to represent
(1) 6 different symbols
(2) 12 different symbols
(3) 64 different symbols
(4) 36 different symbols
25. The smallest unit in the computer which represents information is
(1) Character
(2) Digit
(3) Bit
(4) Byte
26. What is binary equivalent of the hexadecimal number FF ?
(1) 1 1 0 0 1 1 0 0
(2) 11111 11 1
(3) 1 1 1 1 1 1 0 0
(4) 11 10 11 10
27. While storing a numeric character in the computer memory, the left most bit is reserved
(1) To indicate the sign
(2) For the number of digits
(3) For the significance of the digit
(4) To indicate the base of a number
28. Wich of the following binary numbers is a prime number ?
(1) 1 0 1 0 1
(2) 1 1 0 1 1
(3) 1 0 0 0 1
(4) 1 1 0 0 1
29. Pentium HI/500 MHz is a
(1) Pentium computer having 500 MB memory
(2) Pentium computer running at a speed of 500 MHz
(3) Computer which has a speed 500 times that of Pentium III Processor
(4) None of the above
30. Which of the following statements is true ?
(1) LINUX is an operating system
(2) ROM is a volatile memory
(3) Netscape is a server
(4) Speed of a computer depends upon the monitor
31. Hybrid Computers are
(1) Superior version of analog computer
(2) Bbest combination of analog and digital computers
(3) Super digital computer
(4) Those which work on binary system only
32. Which of the following does not concern Analog computers ?
(1) Measuring the current
(2) Counting and adding numbers
(3) Measuring the voltage
(4) Working on continuous electronic stages
33. PROM stands for
(1) Process Read Only Memory
(2) Programmable Read Only Memory
(3) Program Read Only Memory
(4) None of the above
34. Conversion of decimal number 431₁₀ to its octal number equivalent is
(1) 328
(2) 408
(3) 348
(4) 368
35. Conversion of an octal number 74328 to a binary number is
(1) 1 1 1 1 0 0 0 1 1 0 1 1 1 2
(2) 1 1 1 1 0 0 0 1 1 0 1 0 2
(3) 1 1 0 0 1 1 0 1 0 1 1 1 2
(4) 1 1 1 1 1 1 1 1 1 0 0 0 2
36. Conversion of an octal number 31378 to its decimal equivalent is
(1) 1 6 3 110
(2) 1 6 3 210
(3) 1 5 3 110
(4) 1 9 3 110
37. Conversion of binary number 1 10001 l2to hexadecimal is
(1) 6316
(2) 5716
(3) 4616
(4) 4016
38. Conversion of hexadecimal number 93 F At6 to its binary number equivalent is
(1) 10010011111110102
(2) 1100111111100112
(3) 100100111111101112
(4) 1111100001112
39. Subtraction of 1 0 0 1 0 1 1 0 02 from 1 1 1 0 1 0 1 0 1 02 is
(1) 1 0 0 1 1 1 1 1 1 02
(2) 1 1 1 1 0 0 0 0 0 12
(3) 0 1 1 0 1 0 0 0 0 1,
(4) 11110 1111 1 2
40. A given computer system can have
(1) Only one input device
(2) Not more than two input devices
(3) Many different input devices
(4) None of the above
41. Division of (1 0 0 0 1 1)2 by (1 0 1)2
(1) (1 1 0)2
(2) (1 1 1)2
(3) (1 0 1)2
(4) (1 0 0)2
42. Conversion of a hexadecimal number (4E)16 to binary number is
(1) (1 1 0 1 1 1)2
(2) (1 0 0 1 1 0 1)2
(3) (1 1 0 11 0 0)2
(4) (1 0 0 1 1 1 0)2
43. Conversion of an octal number (143)8 to hexadecimal number is
(1) (50)16 (2) (63)16
(3) (60)16 (4) (57)16
44. Minicomputers manufactured today are more powerful than
(1) Mainframes
(2) Supercomputer
(3) Microcomputer
(4) None of the above
45. Which of the following computers is currently the smallest and least costly ?
(1) Supercomputer
(2) Mainframes
(3) Microcomputer
(4) None of the above
46. SQL is neither a pure algebraic language nor a
(1) Machine language
(2) Assembly language
(3) Predicative language
(4) None of the above
47. A computer can only execute instructions that are in machine language consisting of
(1) 1s and 0s
(2) 2 s and 4 s
(3) Both of the above
(4) None of the above
48. Which computer language is preferred for data processing ?
(1) APL
(2) BASIC
(3) PASCAL
(4) None of the above
49. A computer program is written
(1) In ordinary language
(2) In typical language
(3) Programming language
(4) None of the above
50. How many binary digits are used in BCD (Binary Coded Decimals)
(1) 2
(2) 4
(3) 3
(4) 5
ANSWERS
01. (4) 02. (3) 03. (2) 04. (2)
05. (4) 06. (4) 07. (2) 08. (1)
09. (2) 10. (4) 11. (3) 12. (3)
13. (4) 14. (3) 15. (3) 16. (1)
17. (4) 18. (2) 19. (3) 20. (2)
21. (2) 22. (2) 23. (3) 24. (3)
25. (3) 26. (2) 27. (1) 28. (3)
29. (1) 30. (1) 31. (2) 32. (2)
33. (2) 34. (3) 35. (2) 36. (1)
37. (1) 38. (1) 39. (1) 40. (3)
41. (2) 42. (4) 43. (2) 44. (1)
45. (3) 46. (3) 47. (1) 48. (1)
49. (3) 50. (2)
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