Intro. to Computers- QUIZ 1

LAN

Local Area Network; a network that connects computers and devices in a limited geographical area.

RAM

Random Access Memory; consists of memory chips that can be read from and written to by the processor and other devices. [Temporary Memory]

ROM

Read Only Memory; the memory that determines all the basic functions of the operation of your machine, such as startup, shut down. It has been installed on your computer by the manufacturer and can not be altered. [Permanent Memory]

Access Provider

a business that provides individuals and organizations access to the Internet free or for a fee.

Network

a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media.

Data

a collection of unprocessed items, which can include text, numbers, images, audio, and video.

Peripheral

a device that connects to the system unit and is controlled by the processor in the computer.

Virus

a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user's knowledge or permission.

Worm

a program that copies itself repeatedly, for example in memory or on a network, using up resources and possibly shutting down the computer or network.

Hard Disk

a storage device that contains one or more flexible, circular platters that use magentic particles to store data, instructions, and information.

Internet

a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals.

Software

also called program, consists of a series of related instructions, organized for a common purpose, that tells the computer what tasks to perform and how to perform them.

Cloud Storage

an Internet service that provides hard disk storage to computer users.

Computer

an electronic device, operating under the control of instructions stored in its own memory, that can accept data(input), process the data according to specified rules(process), produce results(output), and store the results(storage) for future use.

Input Device

any hardware component that allows you to enter data and instructions into a computer .

Output Devices

are hardware components that convey information to one or more people.

Malware

short for malicious software, are programs that act without user's knowledge and deliberately alter the computer's operations.

Motherboard

sometimes called a system board, is the main circuit board of the system unit.

Storage Device

the computer hardware that records and/or retrieves items to and from storage media.

Byte

usually stores one character, such as the letter A.