Important Computer MCQs For Competitive Exams part-1 | Set 2

1. In the right setting a thief will steal your information by simply watching what you type.

3. A hacker contacts you my phone or email and attempts to acquire your password

4. A hacker that changes or forges information in an electronic resource, is engaging in………

5. Hackers often gain entry to a network be pretending to be at a legitimate computer.

6. The………..of a threat measures its potential impact on a system.

8. Which of the following is NOT a Microsoft Internet tool or technology?

10. Programs from the same developer sold bundled together, that provide better integration and share common features, toolbars and menus are known as ………..

A. software suites

B. integrated software packages

C. software processing packages

D. personal information managers

E. None of these

Correct : A. software suites

11. ……………terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.

13. ………..are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat.

14. In a ring topology, the computer in possession of the………can transmit data

15. …………Viruses are often transmitted by a floppy disk left in the floppy drive

16. A database management system (DBMS) is a………..

A. hardware system used to create, maintain and provide controlled access to a database

B. hardware system used to create, maintain, and provide uncontrolled access to a database.

C. software system used to create, maintain, and provide uncontrolled access to a database.

D. software system used to create, maintain, and provide controlled access to a database.

E. None o these

Correct : D. software system used to create, maintain, and provide controlled access to a database.

17. A Proxy server is used for which of the following?

A. To provide security against unauthorized users

B. To process client requests for web pages

C. To process client requests for database access

D. To provide TCP/IP

E. None of these

Correct : B. To process client requests for web pages

18. ……….are words that a programming language has set aside for its own use.

19. What is the primary difference between a virus and a worm?

A. A worm has the ability to self-propagate from an infected user’s computer to other computers

B. A worm is usually written by a cracker : Script bunnies do not have the skills to develop worm program

C. A virus is very harmful to the computers it infects; a worm is not a serious a problem

D. Anti-virus software is effective in fighting viruses but not worms

E. None of these

Correct : C. A virus is very harmful to the computers it infects; a worm is not a serious a problem

20. ………..describe what is database fields.

21. A goal of normalization is to………….

A. minimize the number of relationships

B. minimize the number of entities

C. minimize the number of tables

D. minimize the numbe of redundancy

E. None of these

Correct : D. minimize the numbe of redundancy

22. A(n)………….uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.

23. Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is

24. ‘ITS’ stands for

A. Intelligent Teaching Systems

B. International Tutoring Systems

C. Intelligent Tutoring Systems

D. All of these

E. None of these

Correct : C. Intelligent Tutoring Systems

26. In the language of the computer profession, one thousand position of main storage is represented with the letter

28. The total number of messages handled by a computerized telephone system on a daily basis is an example of :

29. A device mounted on a communication satellite which receives, amplifies and re- transmits signals from earth station is

31. Which type of processing that produces output results immediately after input data are entered into a computer system

32. A computer program that instructs other programs to perform a particular type of operation is

33. The provides a path between the CPU and peripheral devices, which are connected via interface cards

34. Programs prepared by an outside supplier & provided to a user in a machine readable form is known as

35. Pictures or drawings, typically displayed on a VDU to allow users to select program options is called

36. The pieces of equipment which are attached to the CPU of a computer and which it can access are called

37. A factor which might cause an individual to consider using a computer in criminal activities is :

A. The computer’s access to large sums of money

B. The speed with which the crime can be accomplished

C. EFTS (Electronic Funds Transfer System)

D. All the these

E. None of these

Correct : D. All the these

38. The Secure Electronic Transaction (SET) specification

A. is a notice, issued and verified by a certificate authority, that guarantees a user or Web site is legitimate

B. provides private-key encryption of all data that passes between a client and a server

C. allows users to choose an encryption scheme for the data that passes between a client and a server

D. uses a public-key encryption to secure credit-card transaction systems

E. None of these

Correct : D. uses a public-key encryption to secure credit-card transaction systems

40. All the information collected during database development is stored in a_

41. The…………component is used by the data analyst to create the queries that access the database.

42. A polymorphic virus

A. modifies its program code each time it attaches itself to another program or file

B. is a malicious-logic program that copies itself repeatedly in memory or on a disk drive until no memory or disk space remains.

C. a malicious-logic program that hides within or looks like a legitimate program

D. infects a program file, but still reports the size and creation date of the original uninfected program

E. None of these

Correct : A. modifies its program code each time it attaches itself to another program or file

43. Microwave transmission is used in environments where installing physical transmission media is _

A. difficult or impossible and where line-of- sight transmission is unavailable

B. easy or promising and where line-of-sight transmission is unavailable

C. difficult or impossible and where line-of- sight transmission is available

D. easy or promising and where line-of-sight transmission is available

E. None of these

Correct : D. easy or promising and where line-of-sight transmission is available

44. Which is NOT a good Web security strategy?

A. Restrict access to the Web server; keep a minimum number of ports open

B. Limit the users who can load software, edit or add files.

C. Add demo programs, so users can test system without accessing production data.

D. Remove unnecessary compilers and interpreters

E. None of these

Correct : D. Remove unnecessary compilers and interpreters

45. The word FTP stands for

46. This…………tier processes HTTP protocol, scripting tasks, performs calculations, and provides access to data.

48. A DVD-RAM is similar to a …………except it has storage capacities upto 5.2 GB.

49. How is power supplied to a low-power USB device?

A. Through a power cable

B. From an external power supply

C. Directly from the computer’s power supply

D. Through the USB cable

E. None of these

Correct : D. Through the USB cable

50. The………data mining techniques derives rules from real-world case examples.

51. Which of the following objects is passed to a JavaBean when one of its properties is set via a JSP action?

52. Graphical diagrams used to represent different multiple perspectives of a system include_

A. use-case, class, and state diagrams

B. state, interaction, derivative diagrams

C. interaction, relationship, and class diagrams

D. deployment, relationship, and use-case diagrams

E. None of these

Correct : A. use-case, class, and state diagrams

53. Database redesign is not terribly difficult if the

A. database is structured

B. database is well-designed

C. database has no data

D. database is relatively small

E. database is relatively large

Correct : E. database is relatively large

54. Which of the following are normally used to initialize a computer system’s hardware?

56. What is Internet 2?

A. A new type of cabling system for Wide Area Networks

B. A second local area network that can connect with another online LAN to share access

C. A new standard for Internet browsers

D. An association to develop advanced Internet technology

E. None of these

Correct : D. An association to develop advanced Internet technology

57. While searching a website, you have been unable to find information that was on the site several months ago. What might you do to attempt to locate that information?

A. Visit Google’s cached page to view the older copy.

B. Forget about it, as there is no way to find this information

C. Visit a partner site of the organization to see if it is there.

D. Use the wayback machine.

E. None of these

Correct : C. Visit a partner site of the organization to see if it is there.

58. Which kind of lock includes a keypad that can be used to control access into areas?

59. Which is not a factor when categorizing a computer?

A. Speed of the output device

B. Amount of main memory the CPU can use

C. Cost of the system

D. Capacity of the hard disk

E. Where it was purchased

Correct : E. Where it was purchased

60. Which of the following terms is the most closely related to main memory?

61. Which of the following is not a factor affecting the processing capability or performance of a PC system?

A. The clock speed of the microprocessor

B. The revolutions per minute of the printer disk

C. The primary storage capacity of the processor

D. The built-in instruction set available to the microprocessor

E. None of these

Correct : B. The revolutions per minute of the printer disk

63. Primary storage is………..as compared to secondary storage :

64. Offline device is :

A. a device which is not connected to CPU

B. a device which i connected to CPU

C. a direct access storage device

D. an I/O device

E. None of these

Correct : A. a device which is not connected to CPU

65. The most popular language used with microcomputers and time-shared mini computers, is an easy-to-use high level language :

66. Which of the following is a communication network that is devoted to carrying computer information :

68. With respect to a network interface card the term 10/100 refers to:

71. Which peripheral port provides the FASTEST throughput to laser printers?

73. In Inkjet technology the droplets of ink are deflected by?

A. multi directional nozzles

B. electronically charged plates

C. high pressure plates

D. electro static absorbtion

E. None of these

Correct : A. multi directional nozzles

74. Which provides the fastest access to large video files?

76. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first :

A. cable sequence

B. jumpers on the hard drive

C. drivers that need to be loaded

D. hard drive manufacturer web site information

E. None of these

Correct : B. jumpers on the hard drive

77. What’s the best way to protect your hard drive data?

A. regular backups

B. periodically defrag it

C. run chkdsk at least once a week

D. run scandisk at least once a week

E. run a regular diagnostic

Correct : A. regular backups

78. Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?

80. You get a CMOS checksum error during bootup. What is most likely the cause?

A. power supply is bad

B. BIOS needs updating

C. CMOS battery is nearing end of life

D. hard drive types are incorrectly defined

E. None of these

Correct : C. CMOS battery is nearing end of life

81. What are the four key functions of a computer system?

A. input, processing, output, and storage

B. keyboard, display, memory, and disk drive

C. word processing, spreadsheets, database, calculations

D. bits, bytes, words, and OSI

E. None of these

Correct : A. input, processing, output, and storage

82. Parity is :

A. a byte stored in the FAT to indicated remaining slots

B. the optimal transmission speed of data over a CAT 5 cable

C. an extra bit stored with data in RAM that is used to check for errors when the data is read back

D. the optimal transmission speed of data over a CAT 5 cable

E. None of these

Correct : C. an extra bit stored with data in RAM that is used to check for errors when the data is read back

83. What is different between AT and ATX power supplies?

A. They are identical except for their shape.

B. AT supplies use a single P1 power connector while ATX uses P8 and P9

C. AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector.

D. AT power supplies run on 120V AC current while ATX uses 220V AC

E. None of these

Correct : C. AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector.

86. What does FDISK do?

A. performs low-level formatting of the hard drive

B. fixes bad sectors on the hard drive

C. recovers lost clusters on the hard drive

D. creates partitions on the hard drive

E. None of these

Correct : D. creates partitions on the hard drive

88. Copying a process from memory to disk to allow space for other processes is called :

89. Which of the following memory unit that processor can access more rapidly :

90. Which one of the following is not the function of Operating System?

91. What is the meaning of “Hibernate” in Windows XP/Windows7?

A. Restart the Computer is safe mode

B. Restart the Computer in hibernate mode

C. Shutdown the Computer terminating all the running applications

D. Shutdown the Computer without closing the running applications

E. None of these

Correct : D. Shutdown the Computer without closing the running applications

92. Unix Operating System is an :

A. Multi User Operating System

B. Time Sharing Operating System

C. Multi Tasking Operating System

D. All of these

E. None of these

Correct : D. All of these

97. The file system “NTFS” stands for :

A. New Type File System

B. Never Terminated File System

C. New Technology File System

D. Non Terminated File System

E. None of these

Correct : C. New Technology File System

98. Which Operating System doesn’t support networking between computers?

99. In which type of the following OS, the response time is very crucial :

A. Network Operating System

B. Real Time Operating System

C. Batch Operating System

D. Unix Operating System

E. None of these

Correct : B. Real Time Operating System

Quiznetik

Important Computer MCQs For Competitive Exams part-1 | Set 2

1. In the right setting a thief will steal your information by simply watching what you type.

2. A………..is a small program embedded inside of a GIF image.

3. A hacker contacts you my phone or email and attempts to acquire your password

4. A hacker that changes or forges information in an electronic resource, is engaging in………

5. Hackers often gain entry to a network be pretending to be at a legitimate computer.

6. The………..of a threat measures its potential impact on a system.

7. The power level drops below 120V.

8. Which of the following is NOT a Microsoft Internet tool or technology?

9. A protocol used to control the secure sending of data on the internet is :

10. Programs from the same developer sold bundled together, that provide better integration and share common features, toolbars and menus are known as ………..

11. ……………terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.

12. The OSI model is divided into …………processes called layers.

13. ………..are specially designed computer chips reside inside other devices, such as your car or your electronic thermostat.

14. In a ring topology, the computer in possession of the………can transmit data

15. …………Viruses are often transmitted by a floppy disk left in the floppy drive

16. A database management system (DBMS) is a………..

17. A Proxy server is used for which of the following?

18. ……….are words that a programming language has set aside for its own use.

19. What is the primary difference between a virus and a worm?

20. ………..describe what is database fields.

21. A goal of normalization is to………….

22. A(n)………….uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.

23. Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is

24. ‘ITS’ stands for

25. Any piece of equipment forming an interface to a data communication system is

26. In the language of the computer profession, one thousand position of main storage is represented with the letter

27. The control of the jobs running within a system is

28. The total number of messages handled by a computerized telephone system on a daily basis is an example of :

29. A device mounted on a communication satellite which receives, amplifies and re- transmits signals from earth station is

30. What is the acronym for Single In-Line Memory Module?

31. Which type of processing that produces output results immediately after input data are entered into a computer system

32. A computer program that instructs other programs to perform a particular type of operation is

33. The provides a path between the CPU and peripheral devices, which are connected via interface cards

34. Programs prepared by an outside supplier & provided to a user in a machine readable form is known as

35. Pictures or drawings, typically displayed on a VDU to allow users to select program options is called

36. The pieces of equipment which are attached to the CPU of a computer and which it can access are called

37. A factor which might cause an individual to consider using a computer in criminal activities is :

38. The Secure Electronic Transaction (SET) specification

39. ‘DOS’ floppy disk does not have

40. All the information collected during database development is stored in a_

41. The…………component is used by the data analyst to create the queries that access the database.

42. A polymorphic virus

43. Microwave transmission is used in environments where installing physical transmission media is _

44. Which is NOT a good Web security strategy?

45. The word FTP stands for

46. This…………tier processes HTTP protocol, scripting tasks, performs calculations, and provides access to data.

47. RSA is

48. A DVD-RAM is similar to a …………except it has storage capacities upto 5.2 GB.

49. How is power supplied to a low-power USB device?

50. The………data mining techniques derives rules from real-world case examples.

51. Which of the following objects is passed to a JavaBean when one of its properties is set via a JSP action?

52. Graphical diagrams used to represent different multiple perspectives of a system include_

53. Database redesign is not terribly difficult if the

54. Which of the following are normally used to initialize a computer system’s hardware?

55. If you wanted to locate the hardware address of a local device, which protocol would you use?

56. What is Internet 2?

57. While searching a website, you have been unable to find information that was on the site several months ago. What might you do to attempt to locate that information?

58. Which kind of lock includes a keypad that can be used to control access into areas?

59. Which is not a factor when categorizing a computer?

60. Which of the following terms is the most closely related to main memory?

61. Which of the following is not a factor affecting the processing capability or performance of a PC system?

62. What is the standard code the computer industry created to represent characters?

63. Primary storage is………..as compared to secondary storage :

64. Offline device is :

65. The most popular language used with microcomputers and time-shared mini computers, is an easy-to-use high level language :

66. Which of the following is a communication network that is devoted to carrying computer information :

67. A half byte is known as :

68. With respect to a network interface card the term 10/100 refers to:

69. A hard disk is divided into tracks which are further subdivided into :

70. Which standard govern parallel communications?

71. Which peripheral port provides the FASTEST throughput to laser printers?

72. Resistance is measured in?

73. In Inkjet technology the droplets of ink are deflected by?

74. Which provides the fastest access to large video files?

75. Primary memory stores :

76. You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first :

77. What’s the best way to protect your hard drive data?

78. Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?