Computer Feb Test 11

The first electro-mechanical computer was developed in -----

• 1937

• 1938

• 1939

• 1993

The First computer mouse was invented by ______ in around 1964.

• Blase Pascal

• Charles Babbage

• Doug Engelbart

• None

Which of the following devices converts spoken words into electrical form?

• Touch Pad

• Microphone

• Scanner

• Digital Camera

DEC PDP is the example of __________.

• Super computer

• Mainframe computer

• Mini computer

• Micro computer

What type of software MS Word is?

• System Software

• Application Software

• Utility Software

• Language processor

Which of the following is Non Impact printer?

• Dot Matrix Printer

• IBM 1403 Chain Printer

• Inkjet Printer

• Plotter

________ Software is a collection of programs to make the use of computer easy,efficient and effective.

• Application

• System

• Internet Application

• None

1 Petabyte =

• 2⁴⁰ Byte

• 2⁵⁰ Byte

• 2⁶⁰ Byte

• 2³⁰ Byte

Who invented first dynamic random access memory in 1968.

• Doug Engelbart

• Robert H.Dennard

• Blase Pascal

• None

In september _________ IBM launched the 305 RAMAC. the first Super computer with Hard disk drive.

• 1955

• 1956

• 1954

• 1953