Lesson 1 - Computers And Computer Systems

Front 1

Arithmatic/Logic Unit (ALU)

Back 1

The part of the central processing unit that peforms arithmatic computations and logical operations.

Front 2

Central Processing Unit (CPU)

Back 2

AKA the microprocessor; the brains of the computer.

Front 3

Circuit Board

Back 3

A thin plate or board that contains electronic components.

Front 4

Computer

Back 4

An electronic device that receives, processes, and stores data and produces a result.

Front 5

Control Unit

Back 5

The part of the CPU that controls the flow of information through the processor.

Front 6

Data

Back 6

Information entered into the computer to be processed; consists of text, numbers, sounds, and images.

Front 7

Hard Disks

Back 7

A data storages unit inside a computer that can store a large quantity of data, but cannot be easily removed from the computer.

Front 8

Hardware

Back 8

The tangible physical equipment that can be seen and touched.

Front 9

Information

Back 9

The output produced by a computer after it processes data.

Front 10

Memory

Back 10

Where data is stored on a computer's motherboard.

Front 11

Mobile Devices

Back 11

Electronic devices that fit in the palm of your hand, such as PDA's, calculators, smart phones and other cell phones, electronic organiers, and handheld games.

Front 12

Motherboard

Back 12

A curcuit board that contains all of the computer system's main components.

Front 13

Notebook Computers

Back 13

Are similar to a microcomputer; however, they are smaller and portable.

Front 14

Random Access Memory (RAM)

Back 14

Computer location where instructions and data are stored on a temporary basis.

Front 15

Read Only Memory (ROM)

Back 15

Permanent storage: intructions are burned onto chips by the manufacturer.

Front 16

Server

Back 16

A computer that handles requests for data, e-mail, file transfers, and other network services from other computers (clients).