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operating systems Online Quiz - 24

Description: operating systems Online Quiz - 24
Number of Questions: 20
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Tags: operating systems
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  1. Mege hertz

  2. Hectares

  3. Revolutions per minute.

  4. Bits per second


Correct Option: A

Which one of the following printers uses a toner in printing.

  1. Laser.

  2. Dot matrix

  3. Ink jet

  4. None


Correct Option: A

Which one of these statements is False?

  1. A network of computer linked within a building is called a LAN

  2. Databases can be accessed by many users who connected to a LAN.

  3. A network-linking computer over cities countries is called WAN

  4. Applications cannot be shared over a LAN.


Correct Option: D
  1. A mainframe computer enables users to share files, printers and other resources.

  2. Mainicomputer enables users to share files, printers and other resources.

  3. Network computer enables users to share files, printers and other resources.

  4. None


Correct Option: C

Which of the following statements is TRUE?

  1. ROM loses information when the computer is powered off.

  2. ROM chips can be plugged into the motherboard to provide more memory.

  3. ROM can't be written to , it's preprogrammed.

  4. None


Correct Option: C

One byte is equivalent to:

  1. 2 bit

  2. 8 bit

  3. 16 bit

  4. 4 bit


Correct Option: B

________ Helps you input data and give commands.

  1. Pointer

  2. Mouse

  3. Keyboard.

  4. None


Correct Option: C

______ Prints the output on paper.

  1. printer

  2. cpu

  3. mouse

  4. dvd


Correct Option: A

Which printer type would MOST likely produce the most noise?

  1. Dot Matrix.

  2. Ink Dispersion

  3. Laser

  4. None


Correct Option: A

Which one of these computers is too expensive?

  1. Minicomputer

  2. Lap top

  3. Mainframe

  4. PC


Correct Option: C

When working away from the office a sales representative might typically use which type of computer?

  1. Desktop computer.

  2. Laptop computer

  3. An analogue computer

  4. A mainframe computer


Correct Option: B

Special plastic cards containing a processor and memory are used to pay for goods and services. Each time the card is used the details on the card are updated. What is the name of such a card?

  1. Magnetic card

  2. Memory card

  3. Smart card.

  4. Processor card.


Correct Option: C

Which computer would typically be the cheapest to buy?

  1. Desktop computer

  2. Laptop computer

  3. Mainframe computer

  4. Mini computer


Correct Option: A

Which of the following would be the fastest device for accessing data?

  1. A floppy disk

  2. A zip disk

  3. A hard disk

  4. A magnetic tape drive.


Correct Option: C

Command to List all the list all directories from home directory?

  1. ls -ltr

  2. ls -ltr | grep "^d"

  3. ls -a | grep "^l"

  4. ls -ltr | grep "^l"


Correct Option: B

Give the command to archive using tar?

  1. tar -cvf "source file" "destination.tar"

  2. tar -xvf "source file"

  3. tar -cvf "source file"

  4. tar -dvf


Correct Option: C

In Ms-Dos what command you will use to display system date?

  1. Date command

  2. Ver command

  3. Disk command

  4. Format command


Correct Option: A
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