Computer Questions

Q:

The primary purpose of an operating system is ?

A) To allow people to use the computer B) To make computers easier to use
C) To keep systems programmers employed D) To make the most efficient use of the computer hardware
 
Answer & Explanation Answer: D) To make the most efficient use of the computer hardware

Explanation:

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: AIEEE , Bank Exams
Job Role: Bank Clerk

29 14651
Q:

A removable magnetic disc that holds information ______

A) Floppy disk B) Hard drive
C) Monitor D) Portable
 
Answer & Explanation Answer: A) Floppy disk

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: Bank Exams

45 14630
Q:

Microprocessors as switching devices are for which generation computers?

A) Fourth generation B) Third generation
C) Second generation D) First generation
 
Answer & Explanation Answer: A) Fourth generation

Explanation:

Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.

 

Microprocessors further revolutionized the development of computers.

 

The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.

Report Error

View Answer Report Error Discuss

27 14589
Q:

Which of the following is not purely output device?

A) Printer B) Speaker
C) Plotter D) Screen
 
Answer & Explanation Answer: D) Screen

Explanation:

A touch screen is the only device which works as both an input and an output device among the given options. You view the options available to you on the screen (output) and you then use your finger to touch the option that you have chosen (input).

 

Hence, Screen is not purely output device.

Report Error

View Answer Report Error Discuss

22 14487
Q:

_______ uses laser technology to store large amount of information

A) Floppy disk B) CD-ROM
C) Hard disk D) ED-ROM
 
Answer & Explanation Answer: B) CD-ROM

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: Bank Exams

37 14352
Q:

The default header for a worksheet is

A) The date and time B) User name
C) Date & Time D) None of the above
 
Answer & Explanation Answer: D) None of the above

Explanation:

MS Excel is the widely used worksheet in computer applications. We can add what we want in the header and footer of MS Excel sheets.

Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

18 14239
Q:

Codes consisting of bars or lines of varying widths or lengths that are computer readable are known as ____

A) An AsCII code B) A magnetic tape
C) AN OCR scanner D) A Bar code
 
Answer & Explanation Answer: D) A Bar code

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: Bank Exams

46 14048
Q:

Which device is required for the internet connection?

A) cd drive B) modem
C) nic card D) joystick
 
Answer & Explanation Answer: B) modem

Explanation:

The device required for the internet connection is a MODEM.

which_device_is_required_for_the_internet_connection1537861312.png image

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission.

Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

13 14007