Important Computer MCQs For Competitive Exams part-1 | Set 1

1. Which of the following does not affect the resolution of a video display image?

2. Latency time is

A. Time to spin the needed data under head

B. Time to spin the needed data under track

C. Time to spin data under sector

D. All of these

E. None of these

Correct : A. Time to spin the needed data under head

4. Databases software may be divided into

A. five distinct categories

B. four distinct categories

C. three distinct categories

D. two distinct categories

E. None of these

Correct : C. three distinct categories

5. File record length

A. Should always be fixed

B. Should always be variable

C. Depends upon the size of file

D. Should be chosen to match the data characteristics.

E. None of these

Correct : D. Should be chosen to match the data characteristics.

6. ………….is the time required by a sector to reach below read/write heat

7. ………….is a technique of improving the priority of process waiting in Queue for CPU allocation

9. …………is a technique of temporarily removing inactive programs from the memory of computer system

10. The memory allocation scheme subject to “external” fragmentation is

11. Virtual memory is

A. simple to implement

B. used in all major commercial operating systems

C. less efficient in utilization of memory

D. useful when fast I/O devices are not available

E. None of these

Correct : B. used in all major commercial operating systems

12. Before proceeding with its execution, each process must acquire all the resources it needs is called

13. The main reason to encrypt a file is to ……………

A. Reduce its size

B. Secure it for transmission

C. Prepare it for backup

D. Include it in the start-up sequence

E. None of these

Correct : B. Secure it for transmission

14. ‘LRU’ page replacement policy is

15. Which of the following is not a fundamental process state

16. ODBC stands for

A. Object Database Connectivity

B. Oral Database Connectivity

C. Oracle Database Connectivity

D. Open Database Connectivity

E. None of these

Correct : D. Open Database Connectivity

17. Which two files are used during operations of the DBMS

A. Query languages and utilities

B. DML and query language

C. Data dictionary and transaction log

D. Data dictionary and query language

E. None of these

Correct : C. Data dictionary and transaction log

18. A protocol is a set of rules governing a time sequence of events that must take place

19. In communication satellite, multiple repeaters are known as

20. Which of the following is required to communicate between two computers?

A. communications software

B. protocol

C. communication hardware

D. all of above including access to transmission medium

E. None of these

Correct : D. all of above including access to transmission medium

21. Which of the following is an advantage to using fiber optics data transmission?

22. Which of the following is not a transmission medium?

24. Two main measures for the efficiency of an algorithm are

25. The space factor when determining the efficiency of algorithm is measured by

A. Counting the maximum memory needed by the algorithm

B. Counting the minimum memory needed by the algorithm

C. Counting the average memory needed by the algorithm

D. Counting the maximum disk space needed by the algorithm

E. None of these

Correct : A. Counting the maximum memory needed by the algorithm

26. The memory address of the first element of an array is called

28. What does Router do in a network?

A. Forwards a packet to all outgoing links

B. Forwards a packet to the next free outgoing link

C. Determines on which outing link a packet is to be forwarded

D. Forwards a packet to all outgoing links except the original link

E. None of these

Correct : C. Determines on which outing link a packet is to be forwarded

29. Repeater operates in which layer of the OSI model?

31. …………is stored on a client and contains state information of the website visited

32. ………..are small applications that are accessed on an internet server, transported over the internet, automatically installed and run as part of a web document.

33. Encryption is the conversion of data in some intelligible format into an unintelligible format called……….to prevent the data from being understood if read by an unauthorized party.

34. The method for storing data temporarily such that the input-output of the same job is overlapped with its own processing, is known as :

35. Each cell in Microsoft Office Excel documents is referred to by its cell address, which is the…………..

A. cell’s column label

B. cell’s column label and worksheet tab name

C. cell’s row and column labels

D. cell’s row label

E. None of these

Correct : C. cell’s row and column labels

37. The portion of the application that you work with in an application software package is the

38. A……………provides access to features of the program.

40. Which of the following is the term for a request for specific data contained in a database?

42. The most powerful type of computer.

43. The system component that controls and manipulates data in order to produce information is called the

44. Which of the following is not an operating system for mobile phones?

46. Many experts are predicting that this revolution is expected to dramatically affect the way we communicate and use computer technology.

47. The Internet was launched in 1969 when the United States funded a project that developed a national computer network called

50. The last part of the domain name following the dot(.) is the top……….domain

51. Many individuals create their own personal sites called Web logs, or………….

52. Programs that automatically submit your search request to several search engines simultaneously are called…………

54. These programs allow parents as well as organizations to block out selected sites and set time limits on Internet access.

55. This type of software works with end users, application software, and computer hardware to handle the majority of technical details.

56. ………….are narrowly focused on specific disciplines and occupations.

57. The primary purpose of this type of software is to create text-based documents.

58. Letters, memos, term papers, reports, and contracts are all examples of

59. The acronym DBMS stands for what?

A. double-blind management setup

B. document binder management system

C. data binding and marketing structure

D. database management system

E. None of these

Correct : D. database management system

60. Database…………..are primarily used to enter new records and to make changes to existing records.

61. A file that includes predefined settings that can be used to create many common types of presentations is called a

62. A(n)……....is a single program that provides the functionality of a word processor, spreadsheet, database manager, and more.

65. NIC Stands for …………

66. Older network often use another type of cable, called………..

67. Magnetic Media is an Example of………layer

68. This power protection device includes a battery that provides a few minutes of power.

69. Which layer defines the mechanical, electrical, and timing interfaces to the network?

70. SCSI port (pronounced skuzzy) stands for

A. System Computer Scanning Interface

B. Small Computer System Interface

C. Small Computer System Internet

D. System Computer, System Interfaced

E. None of these

Correct : B. Small Computer System Interface

72. Spool stands for

A. Serial Printer Object Oriented Language

B. Simultaneous Peripheral Output On-Line

C. System Protocol Optimization Outliner

D. Single Program Operating System Operation

E. None of these

Correct : B. Simultaneous Peripheral Output On-Line

74. The technique of temporarily delaying outgoing acknowledgments so that they can be hooked onto the next outgoing data frame is known as

75. The data link layer is used for

A. Providing a well-defined service interface to the network layer.

B. Dealing with transmission errors

C. Regulating the flow of data so that slow receivers are not swamped by fast senders

D. All of these

E. None of these

Correct : D. All of these

76. What does SDLC mean in Networking protocol?

A. Software Data Link Control

B. Synchronous Data Link Control

C. Software Development Life Cycle

D. Synchronous Data Development Cycle

E. None of these

Correct : B. Synchronous Data Link Control

77. ADCCP means

A. Analog Data Code Check Procedure

B. Active Database Communication Control Program

C. Application Data Cache Call Procedure

D. Advanced Data Communication Control Procedure

E. None of these

Correct : D. Advanced Data Communication Control Procedure

78. According to ISO, HDLC means

A. High-Level Data Link Control

B. High-Level Data Language Control

C. Hardware Data Link Control

D. High Definition Link Control

E. None of these

Correct : A. High-Level Data Link Control

79. …………..act as a central transmitter and receiver in wireless local area network

83. Which of the following is handy to carry yet can store large amounts of data?

86. Which of the following statements is/are true?

A. Cache Memories are bigger than RAM

B. Cache Memories are smaller than RAM

C. ROM are faster than RAM

D. Information in ROM can be written by users

E. None of these

Correct : B. Cache Memories are smaller than RAM

87. A server that can perform to other task besides network services is called…………

88. Name a network operating system that is specially designed to handle networking functions efficiently.

89. MOS stands for?

A. Metal Oxide Semiconductor

B. Most Often Store

C. Method Organised Stack

D. Microsoft Office Suite

E. None of these

Correct : A. Metal Oxide Semiconductor

91. Which of the following RAM times have to be refreshed often in order to retain its contents?

92. Which of the following companies is a leader in manufacture of Hard Disk Drives?

96. MTBF means

A. Mean Time Before Failure

B. Master Time Buffer Feature

C. Most Treated Buffer Time

D. Master Test Board Feature

E. None of these

Correct : A. Mean Time Before Failure

99. The Analytical Engine developed during First Generation of computers used…………as a memory unit

Quiznetik

Important Computer MCQs For Competitive Exams part-1 | Set 1

1. Which of the following does not affect the resolution of a video display image?

2. Latency time is

3. DPI stands for

4. Databases software may be divided into

5. File record length

6. ………….is the time required by a sector to reach below read/write heat

7. ………….is a technique of improving the priority of process waiting in Queue for CPU allocation

8. A grammar for a programming language is a formal description of

9. …………is a technique of temporarily removing inactive programs from the memory of computer system

10. The memory allocation scheme subject to “external” fragmentation is

11. Virtual memory is

12. Before proceeding with its execution, each process must acquire all the resources it needs is called

13. The main reason to encrypt a file is to ……………

14. ‘LRU’ page replacement policy is

15. Which of the following is not a fundamental process state

16. ODBC stands for

17. Which two files are used during operations of the DBMS

18. A protocol is a set of rules governing a time sequence of events that must take place

19. In communication satellite, multiple repeaters are known as

20. Which of the following is required to communicate between two computers?

21. Which of the following is an advantage to using fiber optics data transmission?

22. Which of the following is not a transmission medium?

23. A technique for direct search is

24. Two main measures for the efficiency of an algorithm are

25. The space factor when determining the efficiency of algorithm is measured by

26. The memory address of the first element of an array is called

27. The term “push” and “pop” is related to the

28. What does Router do in a network?

29. Repeater operates in which layer of the OSI model?

30. GIF images can have only upto …………. colors

31. …………is stored on a client and contains state information of the website visited

32. ………..are small applications that are accessed on an internet server, transported over the internet, automatically installed and run as part of a web document.

33. Encryption is the conversion of data in some intelligible format into an unintelligible format called……….to prevent the data from being understood if read by an unauthorized party.

34. The method for storing data temporarily such that the input-output of the same job is overlapped with its own processing, is known as :

35. Each cell in Microsoft Office Excel documents is referred to by its cell address, which is the…………..

36. The lowest form of computer language is called

37. The portion of the application that you work with in an application software package is the

38. A……………provides access to features of the program.

39. Menus are a part of the

40. Which of the following is the term for a request for specific data contained in a database?

41. Windows 7 is an example of a(n)

42. The most powerful type of computer.

43. The system component that controls and manipulates data in order to produce information is called the

44. Which of the following is not an operating system for mobile phones?

45. This type of file is created by word processors.

46. Many experts are predicting that this revolution is expected to dramatically affect the way we communicate and use computer technology.

47. The Internet was launched in 1969 when the United States funded a project that developed a national computer network called

48. A(n)………..program provides access to Web resources.

49. Rules for exchanging data between computers are called

50. The last part of the domain name following the dot(.) is the top……….domain

51. Many individuals create their own personal sites called Web logs, or………….

52. Programs that automatically submit your search request to several search engines simultaneously are called…………

53. …………..cash is the Internet’s equivalent to traditional cash.

54. These programs allow parents as well as organizations to block out selected sites and set time limits on Internet access.

55. This type of software works with end users, application software, and computer hardware to handle the majority of technical details.

56. ………….are narrowly focused on specific disciplines and occupations.

57. The primary purpose of this type of software is to create text-based documents.

58. Letters, memos, term papers, reports, and contracts are all examples of

59. The acronym DBMS stands for what?

60. Database…………..are primarily used to enter new records and to make changes to existing records.

61. A file that includes predefined settings that can be used to create many common types of presentations is called a

62. A(n)……....is a single program that provides the functionality of a word processor, spreadsheet, database manager, and more.

63. A Computer that is on the Network is a ……….

64. Network operating systems from Novell is ….……..

65. NIC Stands for …………

66. Older network often use another type of cable, called………..

67. Magnetic Media is an Example of………layer

68. This power protection device includes a battery that provides a few minutes of power.

69. Which layer defines the mechanical, electrical, and timing interfaces to the network?

70. SCSI port (pronounced skuzzy) stands for

71. LPT stands for

72. Spool stands for

73. Which of the following field is not a part of Frame?

74. The technique of temporarily delaying outgoing acknowledgments so that they can be hooked onto the next outgoing data frame is known as

75. The data link layer is used for

76. What does SDLC mean in Networking protocol?

77. ADCCP means

78. According to ISO, HDLC means