input and
output devices
output devices
It converts sound into an electrical signal
microphone
a program file that installs itself without permission
virus
it is located inside the computer case on the motherboard
The central processing unit (CPU), also called a processor
It records and retrieves items to and from a storage medium
storage device
а single page of а spreadsheet
worksheet
It is also known as a pointing device
mouse
a vir~s that copies its code over and destroys the files of the original data
overwriting virus
Whenever your computer performs calculations, it temporarily stores the data there until it is needed
RAM (random access memory)
It is the actual physical material that holds data and programs
storage media
а database category that holds а type of information
field
A simple device comprising keys and each key denotes either an alphabet, number or number commands which can be given to a computer for various actions to be performed
keyboard
a virus that attacks anti-virus software
anti-antivirus virus
It is long-term storage, which means the data is still saved even if you turn the computer off or unplug it.
Hard drive
It is a copy of your original file or data stored on another storage device.
backup
to arrange the information in а database
sort
This device can convert images or text into a digital signal
scanner
an add-on that makes a computer virus part of the host computer's operating system
resident extension
It is responsible for what you see on the monitor. Most computers have a GPU (graphics processing unit) built into the motherboard instead of having this
video card
These are small storage devices that can be held on a key ring or necklace. These devices conveniently connect directly to a computer’s universal serial bus port to transfer data, files and information
Flash disks
а mathematical instruction that performs spreadsheet calculations
formula
a hand-held or stationary input device used to read information contained in a the small image of lines and spaces and sometimes numerals that is designed to be scanned and read into computer
Barcode Reader
to gain unauthorized access to a computer system by using the owner's connection
piggyback
It is the computer's main circuit board. It's a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer's ports (such as USB ports)
Motherboard
It is the amount of data a storage device such as a disk or tape can hold
Storage capacity
а large group of data organized in а computer
database