Important Computer MCQs For Competitive Exams part-1 | Set 7
1. The personnel which deal with the computer and its management put together is known as
Correct : B. human ware
2. What is the maximum number that can be represented with 8 bits?
Correct : A. 256
3. Which of the following computer language is used for artificial intelligence?
Correct : B. PROLOG
4. A magnetic storage device in which data is stored on a cylindrical drum, subdivided into tracks is known as
Correct : D. drum
5. Temporary storage used to compensate for a difference in the speed of data flow is
Correct : B. buffer
6. Which is a unit representing the number bits of discrete?
Correct : A. Baud
7. Any storage device added to a computer beyond the immediately usable main storage is known as
Correct : C. backing store
8. The way a computer is designed is known as
Correct : C. architecture
9. A device in which information is stored by means of small electrical charges is
Correct : A. charge coupled device
10. A computer peripheral that prints one line of output at a time is known as
Correct : C. line printer
11. Data processing computer built to conventional architectural is known as
Correct : B. mainframe computer
12. Which is an electronic device that can store temporarily a single bit of data?
Correct : D. Latch
13. Which of the following languages is usually implemented with an interpreter?
Correct : A. PASCAL
14. Which method is used to connect a remote computer?
Correct : B. Dialup
15. Which circular transparent disk has a pattern of a radial bars printed on it?
Correct : A. Milk disk
16. A device that converts one type of signal into another is called
Correct : B. transducer
17. An operating system intended for use on microprocessor based systems that support a single user is
Correct : D. CP/M
18. A common boundary between two systems is called
Correct : B. interface
19. An index register that is automatically incremented or decremented with each use is
Correct : A. auto index
20. Which is standard interface made up of 100 parallel common communication lines?
Correct : B. S-100 bus
21. A set of commands used to extract data from a database meeting certain specified criteria is called
Correct : B. query language
22. The report card and merit list forms the
Correct : A. output data
23. Which is an input device?
Correct : B. Teleprocessing terminal
24. A device for converting handwritten impressions into coded characters and positional co-ordinates for input to a computer is
Correct : D. writing tablet
25. Programmed instructions to the computer is known as
Correct : B. code
26. A local storage register which contains the address of the next instruction to be executed is
Correct : B. address register
27. The organization and interconnection of the various components of a computer system is
Correct : A. architecture
28. An output medium that produces verbal responses from the computer system is known as
Correct : D. audit response
29. Which printer uses a combination of laser- beam and electro photographic techniques?
Correct : A. Laser printers
30. The part of a machine level instruction which tells the central processor what has to be done is known as
Correct : A. opcode
31. A system program which helps the execution of user programs is known as
Correct : C. batch operating system
32. A metal disk coated with ferromagnetic substance for storing data is
Correct : A. hard disk
33. A memory device in which a location is identified by its contents rather than by name is known as
Correct : C. associative storage
34. Off-line operation is the operation of devices without the control of
Correct : B. CPU
35. A storage device which is used to store data and information external to the main storage is known as
Correct : B. backing storage
36. Software that is loaded into a computer primary storage area is known as
Correct : A. memory-resident package
37. A memory space used for the temporary storage of data is
Correct : C. scratchpad storage
38. A prewritten program that is said to perform a common task is called an application
Correct : B. package
39. Which function of a computer is responsible for permanent storage of data?
Correct : A. storage
40. Which of the following is a displayed listing of program option that users can select?
Correct : A. Menu
41. What digits are representative of all binary numbers?
Correct : C. Both (a) and (b)
42. Which type device is a piece of equipment that receives information from a CPU?
Correct : B. Output
43. The 0 and 1 in the binary numbering system are called binary digits or
Correct : D. bits
44. Hard disks are formatted in the same manner as floppy disks. However, before a hard disk can be formatted, it must first be
Correct : A. partitioned
45. Which type of RAM works like a series of small switches? (Once a switch is set to ON, it says on until the computer changes it)
Correct : B. Static
46. Which type of memory is for information that DOES CHANGE on your computer?
Correct : A. RAM
47. A computer that is capable of parallel processing is computer
Correct : B. parallel
48. The various states in which a computer system may be operating is called
Correct : B. execution states
49. The time interval between successive elements of a discrete time signal is
Correct : D. epoch
50. Any system that uses a computer as a component but whose prime function is not that of a computer is
Correct : C. embedded computer system
51. Which of the following time will normally be determined by the requirements of the device to which the transfer is being made?
Correct : C. Hold
52. A method used to refer to data that is located in an address field of an instruction in addressing
Correct : C. immediate
53. A mechanism for arranging controlled access to a shared resource is
Correct : D. lock-out
54. The most widely used logic programming language is
Correct : D. PROLOG
55. How much megabyte of data is typically stores in bubble device?
Correct : B. 1
56. Which of the following is another name for tape transport?
Correct : C. Tape drive unit
57. A data structure consisting of several fields, some or all of which are instances of the same data structure, is called
Correct : B. bead
58. A mass storage device on which information is stored and read by a laser is
Correct : C. EROM
59. Which of the following is a device to combine into a single module a set of program instructions that have been independently compiled?
Correct : C. Linkage editor
60. During the data gathering phase of the system analysis step
Correct : C. a number of specialized forms may be prepared
61. Most computers have secondary storage devices that are connected to the processor and are thus able to accept data directly from and return data directly to the processor.
Correct : B. online
62. Which of the following is a term meaning that if a particular program is given bad data for input it will produce bad results for output?
Correct : D. GIGO
63. A device which uses magnetic tape cartridges to read or record information at 340,000 alphanumeric characters per second is
Correct : B. hypertape drive
64. A multiuser super micro system
Correct : C. can handle a number of processing tasks concurrently
65. An 8-bit unit used to code data is called a
Correct : D. byte
66. A parity bit
Correct : A. is a check bit added to each 7 to 8-bit characters represented in-storage
67. Which of the following high speed non- impact printers are fast enough to print the entire book in about 1 minute?
Correct : C. Page
68. Which of the following parts is of an
operator console?
Correct : B. Control panel
69. A software package that controls the timing and operation of control devices is
Correct : B. device driver
70. A random-access data storage device which give rapid access to data is
Correct : C. disk storage unit
71. The updating of master files to reflect the effects of current transactions is
Correct : A. file processing
72. A main control computer in a network of distributed
Correct : C. host computer
73. Pick out the correct definition of buffer
Correct : C. buffer is a temporary storage between the CPU memory and a peripheral device
74. A network designed for data transmission and capable of carrying all types of traffic is
Correct : A. ISDN
75. How many bits of microprocessor are used in personal computer?
Correct : C. 16
76. The CPU speed of a mini computer is approximately………..kilo instructions per second.
Correct : B. 500
77. A device that is moved by hand to indicate a precise position on a digital data tablet is
Correct : B. mouse
78. A copy of the contents of all the work space associated with a process is
Correct : D. dump check
79. An allocation that is made dynamically is
Correct : C. dynamic allocation
80. A computer based system for the storage, cataloging and retrieval of documents is
Correct : A. electronic filling
81. An operating system that is intended to support large numbers of interactive terminals is
Correct : C. EM AS
82. Data processing computer built to conventional architecture is known as
Correct : D. mini computer
83. The 3 functional elements of a digital computer are input device, output device and
Correct : C. CPU
84. A file needed for updating a master file is
Correct : B. transaction
85. Which of the following is a computer hardware description language?
Correct : C. CHDL
86. The system that is used for serial transmission of data is
Correct : A. RS 232
87. A system that is designed to make a tape or disk sense from copying is
Correct : B. protection
88. The first high level language used for the
IBM PC compatible is
Correct : D. BASIC
89. Which of the following is the largest and most powerful computer manufacturer in the world?
Correct : A. IBM
90. A method of coding BINARY numbers as a set of thick and thin lines on paper is
Correct : B. bar code
91. The cassette that is primarily intended for recording sound which will note be ideal for the recording of digital data is
Correct : C. audio cassette
92. Any set of data that must be preserved over a long period is known as
Correct : B. archive
93. The central processor of a modern digital consists of
Correct : C. register unit
94. A typical modern computer uses
Correct : B. LSI chips
95. The basic components of a modern digital computer are
Correct : D. All of these
96. A break in the normal flow of processing is called
Correct : C. interrupt
97. Which of the following is used to translate data into a coded representation?
Correct : D. Encode
98. A vertically aligned set of tracks on a disk pack is known as
Correct : C. cylinder
99. A computer assisted method for the recording and analyzing of existing hypothetical systems is known as
Correct : D. data flow
100. Which of the following is used on domestic tape recorders, designed for use in microcomputers?