Mege hertz

Hectares

Revolutions per minute.

Bits per second

Laser.

Dot matrix

Ink jet

None

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

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

A network-linking computer over cities countries is called WAN

Applications cannot be shared over a LAN.

A mainframe computer enables users to share files, printers and other resources.

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

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

None

ROM loses information when the computer is powered off.

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

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

None

2 bit

8 bit

16 bit

4 bit

Pointer

Mouse

Keyboard.

None

printer

cpu

mouse

dvd

Dot Matrix.

Ink Dispersion

Laser

None

ROM

RAM

Hard disk

Floppy disk

Minicomputer

Lap top

Mainframe

PC

Desktop computer.

Laptop computer

An analogue computer

A mainframe computer

Magnetic card

Memory card

Smart card.

Processor card.

Desktop computer

Laptop computer

Mainframe computer

Mini computer

A floppy disk

A hard disk

A tap disk

A zip disk

A floppy disk

A zip disk

A hard disk

A magnetic tape drive.

ls -ltr

ls -ltr | grep "^d"

ls -a | grep "^l"

ls -ltr | grep "^l"

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

tar -xvf "source file"

tar -cvf "source file"

tar -dvf

MS

DOS

Ms-DOS

6.22

Date command

Ver command

Disk command

Format command