computer history pt 2

Question 1

ENIAC 1944 (3)

Answer 1

Created by John W. Mauchly and J. Presper Eckert

sponsored by military.

Supercomputer

Question 2

UNIVAC 1951 (2)

Answer 2

The first commercially successful electronic digital computer-used by businesses

Used magnetic tape

Question 3

Vacuum Tubes: 1904 (1)

Answer 3

crucial to the development of radio, television, radar, sound recording and reproduction, long-distance telephone networks, and analog and early digital computers.

slow, expensive and fragile

Question 4

Transistors: 1945 (1)

Answer 4

Replaces vacuum tubes

Question 5

Integrated circuits: 1958 (1)

Answer 5

A small chip containing thousands of transistors

Question 6

Microprocessor chip: 1971 (3)

Answer 6

Created by Intel Corporation (Intel 4004)

A small chip containing millions of transistors

It functions as the central processing unit (CPU)

Question 7

PC + SOFTWARE 1970-1990 (6)

Answer 7

The first microcomputer

Sold as a kit

Switches for input and Lights for output

Gates and Allen create a compiler for Basic

4,000 orders for the machine

The cost $1,000