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Computer Literacy
Flashcards for terms to study for Computer Literacy course
25
Computer Science
Undergraduate 1
06/06/2011

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Cards

Term
Application Software
Definition
Programs designed to make users more productive and/or assist with personal tasks. Examples include: word processing software, presentation software, spreadsheet software and database software.
Term
Antivirus Software
Definition
Programs that protect a computer against viruses. Most anti-virus programs also protect against other malware.
Term
Communication Device
Definition
A hardware component that enables a computer to send and receive data, instructions and information to and from one or more computers or mobile devices.
Term
Computer
Definition
An electronic devise, 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.
Term
Central processor Unit (CPU)
Definition
The main chip on the computer that makes everything go. The CPU acts as a processor to interpret and carry out the basic instructions that operate a computer.
Term
Directory (AKA Folder, sub-directory)
Definition
Allows you to organize files and other folders.
Term
Folder Window
Definition
The name of the window that allows you to navigate to and manage your computer files and folders.
Term
Gigabyte (GB)
Definition
A way to measure the amount of disk space, typically used for hard drives. A GB consists of 1 billion bytes or 1,024 megabytes (MB)
Term
GigaHertz (Ghz)
Definition
This is the clock speed of the microprocessor. The higher the number, the quicker the information is processed. GHz relates to how many billions of instructions can be processed per second.
Term
Hard Drive
Definition
Also called hard disk. This is a storage device that serves as the computer's electronic filing cabinet, and it stores the computer's operating system, files, programs and documents. Some hard drives are portable and known as an external hard drive or a removable hard drive.
Term
Icons
Definition
In a Graphical User interface (GUI), a small pictorial, on screen representation of an object, such as a document, program, folder, or disk drive.
Term
Random Access Memory (RAM)
Definition
A form of computer memory. Sometimes RAM is referred to as the main memory. Memory is the circuitry or devize that holds information in an electrical or magnetic form. Memory stores instructions waiting to be executed and data needed by those instructions.
Term
Software
Definition
Instructions that tell the computer what to do.
Term
Sound card
Definition
This device allows your computer to reproduce music, sounds and recorded voices. Make sure you have a sound card if you plan to play multimedia games.
Term
Storage Device
Definition
The computer hardware that records and/or retrieves items to and from storage media
Term
System files
Definition
Allows your computer to work
Term
USB Flash Drive
Definition
Sometimes called a thumb drive or a jump drive, is a flash memory storage device that plugs into a USB port on a computer or mobile device
Term
Video Card
Definition
The video card is the part of the computer that sends the images to the monitor
Term
Virus
Definition
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. It is important to keep computers protected and to follow recommended usage guidelines to prevent viruses and other malware.
Term
surge protector
Definition
should be used for computer and all peripherals. Unplug them during storms
Term
installer software
Definition
should not be thrown out once installed. you may need to reinstall the software at a later time.
Term
uninstalling programs not in use
Definition
Frees up space on computer
Term
antivirus software
Definition
McAfee or Norton Utilities to prevent malware or viruses from gaining access to computer
Term
To avoid malware
Definition
avoid accepting any downloads or opening emails and attachments from unknown sources.
Term
Firewall
Definition
will also prevent computer from intruders and/or viruses
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