The above pictuer is ___________
Optical mouse
Mechanical mouse
Joy sticks
None of these
Computers are used in Railway stations for
Withdrawing cash
Watch movies
Booking tickets
Communicate with others
Which language was used in second generation of computers ?
Machine
Low – level
High level
Assembly
To copy a picture or any other text on paper directly to the computer we use
Speaker
Keyboard
Scanner
Printer
Choose the right answer
_____________ printer produce very high quality text and graphics.
Dot Matrix
Laser
Ink jet
The button on the mouse is used to select an object in the monitor.
Right
Center
Scroll
Left
The first calculating device.
Abacus
Napier Bones
Tabulating
Calculator
John Napier designed a set of tools called
The control center of a computer.
Monitor
CPU
Mouse
Internet is
a worldwide interconnected network of computers
a local computer network
a worldwide networking
an interconnected computers