John Napier designed a set of tools called
Abacus
Calculator
Napier Bones
Tabulating
The first electrically operated calculating machine.
Tabulating Machine
Analytical Engine
A printer is an _________ device.
Output
Input
Process
None of these
Monitors are divided into
Three
Two
Four
Six
The first calculating device.
A standard keyboard has _____ keys.
105
106
104
100
The above pictuer is ___________
Optical mouse
Mechanical mouse
Joy sticks
In mechanical mouse, mouse pointer is based on the movement of a _____________ in the mouse.
Left button
Scroll
Right button
Rubber ball
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