Computer

• What is the name of first Computing Device?

Abacus was the first Computing Device. It was develoed 5000 years ago

• Who is John Napier?

John Napier was Scottish Mathematician.

• Write the name of the scientist who create  Logarithm table.

John Napier create the Logarithm table.

• When was Logarithm table designed?

  It was designed in 17th century.

• Who was Pascal?

Blaise Pascal was a French Mathematician.

• What did invent by Blaise Pascal?

He invented a Mechanical adding machine in 1642 known as Pascaline Calculator.

• Who was Von leibniz?

Von Leibniz was a German Scientist.

• What was Von Leibniz invent?

He developed a Calculating machine in 1694.

• Who is Charles Babbage?

Charles Babbage was a Mathematician.

• What was Charles Babbage design?

Charles Babbage design a automatic calculating machine.

• Write the name of scientist who develop punch card.

Herman Hollerith develop punch card

• When was punch card develop?

Punch card developed in 1890.

• Why were design digital computers?

   Digital computers were design for the help in World War II.

• Write the name scientists who design digital computer.

John.p Ekert, John W. Mauchly and their designed digital computer

• What is abbreviation of ENIAC?

ENIAC stands for Electrical Numerical Integrated and Calculator

• Who design the ENIAC?

John Wiliam and John Ekert designed the ENIAC in 1946.

• What is the abberiviation of UNIVAC?

UNIVAC stands for Universal Automatic Computer.

• Write the name of scientists who form UNIVAC.

Eckert and Mauchly formed Ekert-Mauchly Computer Corporation in 1947.

• When was UNIVAC give to us bureau of census?

It was give to us bureau of census in 1951.

• How many generations of the computer?

Computer has five generations.

First generation         (1946-1959)

Second generation     (1959-1965)

Third generation        (1965-1973)

Fourth generation      (1973-1980)

Fifth generation         (1980 to Onward)

• What was use in first generation computer?

The first generation computer used Vacuum Tubes.

• What was used in Second generation computer?

The second generation computer used Transistors.

• Write the names of the scientists who develop transistors.

John Bardeen, William Barttain and William Shockley developed transistors in 1947.

• Write the name of Laboratories where transistors develop.

Transistors developed in Bell Laboratories.

• Write the examples of second generation computers.

The examples of second generation computers are IBM 7094 series, IBM 1400 series and 
          
          CDC 164 etc.

• What was used in third generation computers?

Integrated Circuit Chip used in third generation computers.

• What was introduce in third generation?

IBM 360 series and ICL-1900 were introduce in third generation.

• How many Transistors are equal to the size of Vacuum Tube?

200 transistors are equal to the size of one Vacuum Tube

• How many times faster a transistors work the vacuum tube?

A transistor can work 40 times faster than vacuum tube.

• Who develop the Integrated Circuit Chip?

Jack Kilby developed the Integrated Circuit Chip.

• What is the size of Integrated Circuit Chip?

The size of Integrated Circuit Chip is about 1/4 square inch.

• When was Integrated Circuit Chip develop?

Integrated Circuit Chip develop in 1961.

• What was used in fourth generation computer?

  Microprocessors were used in fourth generation computers.

• Who produced the fist Microprocessor?

Ted Hoff produced first micro processor.

• When was first microprocessor produced?

First Microprocessor produced in 1971.

• What is the other name of Microprocessor?

The other name of Microprocessor is Intel 4004.

• What is fifth generation base on?

Fifth generation based on artificial intelligence.

• What are technologies include in fifth generation?

Quantum Computation, Molecular technology and Nano Technology include in fifth

generation.

• What are the types of computers?

There are three types of computer.

           1.   Analog Computer     2.   Digital Computer    3.   Hybrid Computer

• Describe the classification of computers.

           1.    Super Computers      2. Main Frames       3.    Mini Computers     4.    Micro Computers

• Write the programming language in computer. 

           1.    High Level Language        2.   Low Level Language

• Which language  computer can understand?

Computer can understand machine language.

• Write the types of Low Level Language. 

           1.    Machine Language      2.    Assembly Language

• What are the types of High Level Language?

           1.   FORTRON    2.   Basic     3.    COBOL     4.   Pascal     5.    Java

• What is the program needed to converts high level language to machine language.

Compiler is a program that converts high level language to machine language.

• Write the names of input devices.

Keyboard, Mouse, Scanner, Microphone, Touch Pad, Light Pen, Web came, Camera,

CD-ROM etc.

• Write the names of output devices.

Monitor, Speaker Printer etc.

• Size of Memory.

         1024 Bits          = 1 Byte

         1024 Bytes        = 1 KB  (Kilo Bytes)

         1024 KB            = 1MB  (Mega Bytes)

         1024 MB            = 1 GB  (Giga Bytes)

         1024 GB              = 1 TB  (Tera Bytes)