Quiznetik

Introduction to Computers | Set 1

1. A computer primarily constitutes of _____________integral components

Correct : C. Three

2. Computers have secondary storage devices known as___________

Correct : B. Auxiliary storage

3. The ___________is responsible for transferring data and instructions from the external environment into the computer system

Correct : C. Input unit

4. The process of recording data and information so that it can be retrieved for use whenever required.

Correct : B. Processing

5. The ________________is responsible for controlling various computer operations

Correct : C. Control Unit

6. The main PCB (Printed Circuit Board) is sometimes alternatively known as

Correct : C. Both (A) and (B)

7. The _____________ processes the set of instructions along with any calculations and comparisons to complete the task.

Correct : C. CPU

8. Storage and retrieval of instructions and data in a computer system is the responsibility of the __________________.

Correct : D. Both (B) and (C)

9. A small set of high-speed registers placed inside a processor and used for storing temporary data while processing.

Correct : A. Internal Processor Memory

10. Popular microprocessors include

Correct : A. Intel

11. The speed at which the CPU performs basic operations, measured in

Correct : D. All of the above

12. These types of computers are primarily involved in data processing and problem solving for specific programs.

Correct : B. Digital computers

13. It mediates communication between CPU and other components of system.

Correct : C. Chipset

14. It helps in the proper functioning of computer hardware.

Correct : D. System Software

15. Software that resides on a single computer and does not interact with any other software installed in a different computer.

Correct : A. Stand- Alone Software

16. This kind of software is functional in the domain of management and finance

Correct : B. Business Software

17. _____________ was one of the most widely used systems software for IBM compatible microcomputers.

Correct : C. MS DOS

18. A ____________is the main control program for handling all other programs in a computer.

Correct : C. OS

19. A type of OS that permits multiple programs to be run simultaneously by the same computer.

Correct : C. Multitasking

20. ____________________ is a presentation tool that helps create eye-catching and effective presentations in a matter of minutes.

Correct : D. PowerPoint

21. ____________________ was the first high -level language developed by John Backus at IBM in 1956.

Correct : A. FORTRAN

22. This language was developed by Dennis Ritchie of Bell Laboratories in order to implement the operating system UNIX.

Correct : A. C

23. _________________ are a series of black and white parallel and adjacent bars with spaces which represent a string of characters.

Correct : C. Barcode Readers

24. It is an electronic medium for storing contact information inside the mobile phone.

Correct : B. Address Book

25. It is also known as the ‘blue screen’ process_______________.

Correct : B. Digital Compositing

26. The professionals involved in the study and prediction of weather are called ____________.

Correct : C. Meteorologists

27. The storage and rapid access to electronic medical records and its instant transmission over the Internet in large amounts is called ____________________

Correct : A. Teleconsulting

28. Early computers like ENIAC, EDVAC, and UNIVAC I all can be classified as _____________.

Correct : C. First Generation Computers

29. The first mechanical adding machine was invented by Blaise Pascal in ____________.

Correct : B. 1642

30. The primary storage also temporarily stores any intermediate result generated by the ___________.

Correct : D. The ALU

31. The socket that supplies the power from the computer system to the computer monitor

Correct : A. Monitor Power Socket

32. The various types of computers are:

Correct : D. All of the above

33. The categories of software on functional base are:

Correct : D. All of the above

34. The full form of COTS is ___________________ .

Correct : A. Commercial off-the Shelf

35. ________________ means that their source code is not available.

Correct : B. Freeware

36. ________________ is ideal for a task that needs a number of lists, tables, financial calculations, analysis and graphs.

Correct : D. Excel

37. Excel also allows you to create documents for the ______________________.

Correct : C. WWW

38. A presentation comprises of _______________ slides arranged in a sequential manner.

Correct : D. Individual

39. This class of OS permits multiple users to use the computer and run programs at the same time

Correct : A. Multiuser

40. Most of the application software available in the market needs a __________ for use.

Correct : C. Software License

41. The computer system is a dumb and a useless machine if it is not capable of communicating with the________________.

Correct : A. Outside World

42. It is very important for a computer system to have the ability to communicate with the outside world, _________________.

Correct : D. All of the above

43. Programs and data must be entered into the computer memory for _____________.

Correct : A. Processing

44. The I/O devices that provide a means of communication between the computer and the outside world are known as________________.

Correct : B. Peripheral Devices

45. _____________ are used to transfer user data and instructions to the computer

Correct : C. Input

46. ________________ devices allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system

Correct : B. Keyboard

47. Keyboard devices are typically classified as _________________ keyboards and specialpurpose keyboards.

Correct : D. General-Purpose

48. The most familiar means of entering information into a computer is through a typewriterlike keyboard that allows a person to enter __________________ information directly.

Correct : C. Alphanumeric

49. The most popular keyboard used today is the ______ key with a traditional QWERTY layout.

Correct : A. 101

50. Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use.

Correct : A. Key

51. The _____________ pen is a small input device used to select and display objects on a screen.

Correct : C. Light

52. The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.

Correct : D. Vertical

53. ___________________ consists of a spherical ball, which moves within a socket and has a stick mounted on it.

Correct : A. Joystick

54. The user moves the ball with the help of the stick that can be moved _________________________, to move and position the cursor in the desired location.

Correct : D. All of the above

55. Joysticks typically have a button on __________that is used to select the option pointed by the cursor.

Correct : D. Top

56. The ____________ is a pointing device that is much like an inverted mouse.

Correct : B. Trackball

57. A web camera is a video capturing device attached to the computer system, mostly using a _________________.

Correct : B. USB Port

58. Web camera is used for video _____________.

Correct : D. All the above

59. Scanning devices are input devices used for direct data entry from the source document into the ______________________ .

Correct : C. Computer System

60. With the help of the _______________ you can capture your images and documents and convert it into digital formats for easy storage

Correct : A. Scanner

61. There are two types of scanners_______________ .

Correct : D. Both (A) and (B)

62. _______________ contact scanners make contact as they are brushed over the printed matter to be read.

Correct : C. Hand-held

63. _____________ scanners are more versatile and can read data passed near the scanning.

Correct : A. Laser-based

64. Source data automation is the _________________ development for data input technologies.

Correct : D. Recent

65. The ______________ devices can scan marks from a computer-readable paper.

Correct : B. OMR

66. A___________ film transistor is comprised of a semiconductor layer.

Correct : A. Thin

67. The role of semiconductor layer is to add polysilicon layer whose electron mobility is_____________times higher than that of an amorphous silicon layer.

Correct : B. 100

68. _________________ are based on the use of a series of nozzles for propelling droplets of printing ink directly on almost any size of paper.

Correct : D. Inkjet Printers

69. Daisy-wheel printer comes in the category of output device and quite similar to ______________ .

Correct : B. Typewriters

70. Another type of impact printer somewhat similar to the daisy-wheel is the _________ printer.

Correct : A. Line

71. The page printers are _______________ speed non-impact printers.

Correct : B. High

72. The printing speed of page printer is very high and the output is __________ at a time.

Correct : D. A page

73. _________________ are formed by heated elements being placed in contact with special heat sensitive paper forming darkened dots when the elements reach a critical temperature.

Correct : C. Characters

74. ___________________ printers are the oldest print technologies still in active production.

Correct : A. Impact

75. These are the devices used for getting out information from the computer

Correct : C. Output

76. An __________ printer would be non-impact as they work through spraying ink or toner and fusing it to the paper.

Correct : D. All of the above

77. The term __________________ is important primarily in that it distinguishes quiet printers from noisy and impact types of printers.

Correct : B. Non Impact

78. Computers have an _______________ subsystem,

Correct : D. Both (A) and (B)

79. The CRT monitor creates a picture out of many rows or lines of tiny__________ dots.

Correct : D. Colored

80. In plasma type of displays_____________ gas is used.

Correct : A. Ionized

81. The time required to locate and retrieve the data from the storage unit is

Correct : A. Access time

82. _________stores binary information using clocked sequential circuits.

Correct : B. SRAM

83. _________ stores binary information in the form of electric charges that are applied to capacitors inside the chip.

Correct : C. DRAM

84. The data recording density is measured in

Correct : B. Bytes per inch

85. Storage capacity of a tape is equal to the product of data recording density and ________.

Correct : D. Length of tape

86. Inter-track gaps are used to separate the adjacent tracks so that the interference of magnetic fields is ________.

Correct : A. Minimized

87. Tracks are commonly divided into sections called _________.

Correct : B. Sectors

88. If there are 100 tracks on each disk surface, there are ________ cylinders in the disk pack.

Correct : C. 100

89. If a disk pack consists of 4 plates each having 2655 tracks having 125 sectors per track. Also, each sector can store 512 bytes, then, storage capacity is approximately.

Correct : B. 1GB

90. The average seek time in most systems is

Correct : A. 10-100 milliseconds

91. The time taken for positioning the head on a specific track is called

Correct : C. Seek time

92. The rotational speed of a disk is measured in

Correct : A. Rotation per minute

93. Which of the following is used as wildcards

Correct : C. *

94. For a 3.5 disk high density disk which has 80 tracks, 18 sectors/tracks, 512bytes/sector, the disk storage capacity is approximately

Correct : A. 1.4 MB

95. The size for the disk platters range between _________ in diameter.

Correct : D. 1 to 14 inches

96. A zip disk has a capacity of about

Correct : D. 100 MB

97. A CD is ________ in diameter and made up of polycarbonate plastic disk.

Correct : A. 4.75 inch

98. The average latency depends on _______ of the disk.

Correct : B. Rotation per minute

99. The current maximum capacity of a CD-ROM is

Correct : C. 900 MB

100. The storage capacity of a dual layer blu-ray disc is

Correct : D. 50 GB