Page 11 - Computer Class 04
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The four basic types of computers are as under.
Supercomputer Mainframe Minicomputer Microcomputer
Computer
8 An abacus consisted of a wooden frame, rods and beads.
8 The second calculating machine was Napier’s Rods.
8 Blaise Pascal was a French mathematician.
8 Analytical engine contained ALU.
8 There are four basic types of computers.
Objective Type Questions
A. Tick ( ) the correct one.3
1. Abacus consisted a _____________ frame.
a) metallic b) wooden
c) earthen d) none of them
2. Babylonians invented abacus in around:
a) 400 BC b) 500 BC
c) 600 BC d) 700 BC
3. In which year did John Napier invented the Napier’s Rods?
a) In 1618 b) In 1619
c) In 1617 d) In 1620
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