Computer Application Technology Grade 12

query criterion

A condition that you specify for a field.

digital divide

access to technology

A go od example of convergence

iphone

COUNTIF

calculates the values in cells according

to a given condition or criteria

Proprietary software is software

for which a licence needs to be purchased in order to use it

Ctrl + Enter

The shortcut key to insert a page break

RANDBETWEEN

Generates a random whole number

between the

numbers that you specify.

template

A pattern that can be used to design documents

e.g. memo forms

level 1 cache memory

Where instructions which might be used next by

the processor are stored for quick access.

malware

Malicious software

record

A collection of fields in Access that includes all the

particulars of a specific person.

hyperlink

Underlined text on a web page which redirects

you to another web page or resource.

phishing

Attempts

to con a user in to providing personal

information such as a PIN.

motherboard

connects the different parts of the computer,

and provides a way for these parts to

communicate with each other

cookie

A small text file generated by a website and

stored on your computer s hard disk for later use

by the website.

bot

Computers connected to the internet that are

being remotely controlled by another computer

card reader

would be useful if you want to transfer photos from your digita l

camera to your computer

BYOD

Bring your own device

ergonomics

designing equipment to reduce health issues

SSD

Solid State Drive

OCR

The software breaks the image

down into blocks and compares the

shape of the individual letters to the letters in a database

what does OCR stand for?

Optical Character Recognition

shortcut to task manager

Control + Alt + Delete

social engineering

Any attempt to manipulate or con someone into revealing information such as passwords or account numbers which can be used to impersonate them.

Quarantine

virus/malware is stored in a separate area

on the hard drive until it can be removed.

zombie

A robot (bot) is a computer that has been compromised (infected) and can be controlled remotely when it is connected to the internet

primary key

unique field

PDF

file format to save the document where it could be studied and printed, but not edited.

cap

limit on the amount of data that can be uploaded or

downloaded.

shaped connection

connection gives preference to e mail, downloading and browsing

unshaped connection

no priorities or preferences

Web browser

Software that allows one to view and explore pages on the

internet

Search engine

A program that searches documents located on the Internet using keywords entered by a person looking for information

ADSL

permanent connection to the internet (always on).

SYNCING

files are updated in folders and then copies of the same files on other computers on the system are automatically updated.

closed question

limited responses available for selection by the respondent

PIM

Programs that assist users to organise personal information.

metadata

Additional data about a file.

Open source software

allows users to use, change and redistribute it free

of charge.

Shareware

software that you can download for free and use for a trial period

linux

example of open source operating system

gmail

Webmail/web based e mail .

cookie

A file created by a website that is stored in the user's

computer

dropbox

An example of an online storage facility or service

e-commerce

The term used for the marketing, purchase and sale of

products or services over the Internet

throttling

ISP slows down your Internet

connection

server

A computer that provides resources and / or services to other computers on a network

podcast

A multimedia file downloaded from the Internet and can

then be transferred to computers or portable media

players

crowd funding

website where a single idea or business practice is

funded by a large number of small donations of volunteer

contributors, usually at the beginning of the business

GUI

An interface type that is represented graphically by

means of icons and other visual aids

Graphical User Interface

GUI

switch

A device that causes communication between computers

in a network

fiber optic

cables are lighter and can transfer data faster than other cables

both an input and an output device

touch screen

landscape

refers to the orientation of a page in a word

processing document

carpel tunnel syndrome

injuries due to rapid repetitive actions

HTTPS

secure site

Blog

website that allows users to add or update content to a site by

using their own web browsers.

hardware

The physical parts of a computer

compatibility

the ability of two or more systems or their components to work together without intervention or modification by the user.

UPS

Uninterruptible power supply

UPS

An uninterruptible power supply is an electrical device that supplies power as the power supply, typically the main power source, failure

Defragmentation

tool that rearranges data on your hard drive and reunited fragmented file segments so your computer can work better

soft copy

information visible on the screen and not printed on paper

multitasking operating system

An operating system that is capable of allowing multiple software processes to run at the same time

VoIP

Voice-over-Internet Protocol

VoIP

Voice-over-Internet Protocol

e-zine

A magazine published electronically on the Internet

plagiarism

If you use words and ideas without giving clear recognition to the source of information

bibliography

list of references (in alphabetical order) or anything you used in the research and preparation of a project

citation

when you quote someone or quote something from a book or website

open ended question

if there is more than one possible answer for this question.

closed ended question

if the question can only be answered with a YES or NO

hit

a particular page request command that seeks access to a record on a Web server

geo-tagging

geographical location of an item is added to the metadata of the file using its longitude and latitude.

Click-jacking

users are tricked into clicking on an item on a web page which acts as a concealed link

grid computing

Mutual computer systems where the machines collectively use the same resources

ransomware

type of malware that is designed to access your computer system and files until you pay a sum of money

push email

new e-mails received are sent by the e-mail server directly to a mobile phone

wizard

a program/software/set of dialogs that guides/helps the user to complete a task by taking them through a sequence of steps/presenting them with various options

IM

real-time communication between two people who have immediate response time

ISP

Internet service provider

App

computer software, or a program, usually a small application used for a particular mobile device

URL shortener

an instrument or service that converts a long URL to a shorter version

IoT (Internet of Things)

The interconnection of computer devices (via the Internet) embedded in daily objects, enabling data to be sent and received

Malware

any software developed to damage the computer

uncapped

They are not limited to a set amount of data per month

keylogger

program whereby keys that are entered on your computer's keyboard are captured in a way without the person knowing.

5 ms

example of a monitor's refresh rate

digital signature

An encrypted code that is attached to an email to verify the identity of the sender

Dot Matrix

A type of printer that can create 'carbon copies'.

Bandwidth

the total amount of data that can be carried from one point to another at a given period of time

wireless

The most suitable type of network connection for a university where connections need to be made between different buildings

social networking

The process of interacting online with people who share similar interests and activities.

SOHO

small office/home office

SOHO

A category of a computer user who often works from home

Open Source

Software freely available for use and where the source code can be altered/changed as needed.

graphics card

A component that determines the quality of the display on the screen

SATA

A type of interface or connection used by an internal hard drive

switch

A central node where all the computers on a network plug in