Definitions Flashcards
What is a control system
a system of hardware and software that is used to control the operation of a piece of equipment
What is a robot
A robot is an automated piece of equipment designed to carry out routine repetitive tasks
What is the internet
Essentially a very big WAN
What is the WWW
A system of interlinked documents accessed through the Internet
What is a url
Uniform resource Locator, aka the address of the webpage
What is email
A way of sending messages from on computer to another
What is IM
Typing messages in real time over the Internet
What is a podcast
Downloadable media files that are often syndicated
What does data validation do?
Checks that the data is of the right type
What does data verification do?
Checks data is accurate, it makes sure the data which has been input is the same as the original data
What is file compression software
Software which can compress files using algorithms, which makes transferring them quicker
What is a source code
The instructions that tell the computer what to do
Is ROM non-volatile or volatile
Volatile
What does volatile mean
?
What does backing up mean?
Making copies of files that can be stored somewhere else
What is online storage
Storing data on the file servers of an ISP instead of your own computers hard disk
What is an OS
Software that enables applications and the rest of the computer system to work
What is a spreadsheet
A program that can display and process data in a structured way
What is a database
A store of lots of data in an organised way
What is word processor
Software that allows users to write, edit and format text documents
What is DTP software
Software that allows users to create publications that contain text and images
What is mail merge
Mail merge is a word processing feature that allows users to personalise letters with names and addresses from a database
What are slide transitions
Transitions are effects that change how each new slide appears
What is data logging?
Capturing information using sensors
