Computer quiz

What is a computer?

A modern computer is a device which can receive information, process that information based upon the instructions of a program, and then return that information to the user.

The computer must be able to receive data from the "real world" and convert that data into a form it can manipulate

Input

the computer must be able to change the data based upon instructions in a program;

Process

the computer must be able to accept new instructions

Programmability

Storage

the computer must be able to retain the data it is given

the computer must be able to return the processed data to the user

output

the computer must be able to retain the data it is given

Storage

It was used to count and do math, such as addition, subtraction, multiplication, and division.

Abacus

was an ancient mechanical calculating device.

The Antikythera Mechanism

Adding and subtracting numbers It used gears and wheels to perform calculations.

What was the pascaline used for?

Making patterned fabrics, such as intricate designs and pictures.

What was the Jacquard Loom used for

Was programmed to perform calculations.

Analytical engine

is a logical series of steps (instructions) to achieve a goal.

Algorithm

Was the first working programmable computers.

z3 computer

Colossus computers were built, with impressive speed and power for their time. However, these computers were specifically built for code-breaking, and so they were not Turing-complete.

Colossus computers

It was originally developed to calculate artillery firing tables for the U.S. military.

ENIAC