Is simply a programmable machine that receives input, stores data, processes data, and produces output.

Abacus

Arabic numeral

Binary system

Pascal’s calculator

Differences engine

Analytic engine

Mark l

ENIAC

Von Neumann

The first generation ( 1950 - 1959)

The second generation ( 1959 - 1965 )

The third generation ( 1965 - 1975 )

The forth generation ( 1975 - 1985 )

The fifth generation ( 1958 - present)

large size

huge capacity

used by large organisations

smaller than mainframe

most people’s computer, cheap and easy to use

deals only with one person

minimal memory

Navigation.

Traffic pattern studies.

Increasing literacy

Distance/e- learning

Improved crime reporting

Reliable and accurate identification

Reduced surgery time

Fewer errors.

Improved communication.

Opportunity to return to work

Better scheduling

Save cost/time/effort

Saving natural resources (paperless)

Decrease pollution

Refers to the physical components of the computer such as the system unit, mouse,keyboard, monitor

A set of instruction that tells the computer what to do and how to do it

A person who uses the software on the computer to do some tasks