These are function keys, control keys, arrow keys caps lock etc.

• Punctuation Keys

• Special Keys

• Alphanumeric Keys

• numeric keys

It is the most popular input device for direct entry of data and instructions to the computer.

• scanners

• track ball

• mouse

• key board

input device for direct entry, data entry was accurate and automatic.

• scanners

• track ball

• mouse

• key board

Who invented the mouse?

• Douglas McArthur

• Douglas Angelbert

• Douglas Engelbart

• Douglas Angelbart

This input device are used to capture images and store it in floppy disk.

• Digital Camera

• Magnetic Ink character recognition

• Graphic Tablet

• DVD

In what research facility mouse was invented?

• Arpanet Research Institute

• Stanford Research Institute

• CERN Research Institute

• Starford Research Institute

It is an optical disk that can be re-written many times. The data stored on this can be read, erased, and edited as frequent as needed.

• CD-R

• DVD

• CD-RW

• CD-ROM

These are the devices use to show/displays results of the computer processing of the computer.

• Input Devices

• Output Devices

• Storage Devices

• Software Device

These are the devices use to accepts and keep the data for future pusposes.

• Input Devices

• Output Devices

• Storage Devices

• Software Device

Are television like screens that provide the user-interface in the form of displaying text, number and images.

• Visual Display units/Monitor

• DVD

• CD-R

• Desktop