COMP2 Glossary

Typed up 'key terms' from my textbook, added in a couple of my own for clarity. Good cramming material?

Sharing because it took me a long time and my wrists hurt afterwards; here to save you from a similar fate.

HideShow resource information
  • Created by: Egg
  • Created on: 03-04-11 19:37
Word Document 16.68 Kb

Pages in this set

Page 1

Preview of page 1
COMP 2 Glossary

Logic gates and Boolean algebra

Boolean variable: may have two discrete possible values, e.g. True or false

Truth table: a table that shows the result of applying the logical functions to all possible
combinations of inputs.

Boolean equation: an equation that expresses a Boolean output Q in…

Page 2

Preview of page 2
System bus or external bus: the main highway connecting the processor, main memory and I/O
controllers; it is made up of a data bus, an address bus and a control bus.

Data bus: bidirectional, used to transport data between components of the three-box model.

Address bus: unidirectional, used to address…

Page 3

Preview of page 3
Compiled high-level language program: a program translated into machine code before it is
executed on a digital computer.

Op-code: the part of a machine code instructions that denotes the basic machine operation, e.g.

Operand: the part of a machine code instruction that represents a single item of binary data…

Page 4

Preview of page 4
Application software: allows users to perform non-computer tasks such as writing a letter or
processing orders.

Bespoke software: written for a customer's specific need.

General- purpose software: software that can be used for many different tasks.

Special-purpose software: software designed to support one specific task.

Structure of the internet


Page 5

Preview of page 5
Port: an address for a software process.

Socket: a combination of host IP address and a port number.

Bidirectional: data passes both ways at the same time.

Network layer: adds source and destination IP addresses to packets on their way from the transport
layer to the link layer, and removes…

Page 6

Preview of page 6
Class selector: used to select an HTML element that has a class attribute.

ID selector: identifies a specific HTML element and can only be used once per page.

Consequences of uses of computers

Copyright: protects material, such as literature, art, music, sound recordings, films and broadcasts.

Design right: protects how…


No comments have yet been made

Similar Computing resources:

See all Computing resources »