Shared Flashcard Set

Details

Essential Intro. To Computers
pgs. COM4-COM10
20
Computer Science
10th Grade
09/06/2007

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Cards

Term
Computer Program or Software
Definition
A set of detailed instructions that tells the computer exactly what to do
Term
Components of a Computer
Definition
There are six primary components

• Input Devices

• Processor (Control Unit and Arithmetic/Logic Unit)

• Memory

• Output Devices

• Storage Devices

• Communication Devices
Term
Where do you find the processor, memory, and storage devices?
Definition
A boxlike case called a system unit
Term
Input Devices
Definition
Any Hardware component that allows you to enter data, programs, commands, and user responses into a computer


Examples:

• Keyboard

• Mouse

• Digital Camera

• Microphone

• Webcam

• Scanner
Term
Keyboard
Definition
An input device that contains keys you press to enter data into the Computer; A desktop computer typically has 101-105 keys
Term
Examples of Handheld Computers
Definition
• Smart Phones

• PDA (Personal Digital Assistant)

• Tablet PCs

• Stylus: a small metal or plastic device that looks like a ballpoint pen, but uses pressure instead of ink to write, draw, or make selections
Term
Mouse
Definition
A pointing device that fits comfortably under the palm of your hand; with a mouse you control the movement of the pointer, often called the mouse pointer, on the screen and make selections from the screen.
Term
Note:
Definition
We have laser mice in this class
Term
System unit
Definition
A case that contains electronic components of the computer used to process data.
Term
Mother Board
Definition
Sometimes called a system board; the main circuit board of a the system unit; this is where you attach extra components
Term
Processor
Definition
Also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer.
Term
What is a computer?
Definition
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 results (storage) for future use.
Term
List The Output Devices:
Definition
Printer
Portable Media Player
Monitor
Term
What are the Input Devices?
Definition
PC Video Camera
Mouse
Keyboard
Microphone
Digital Camera
Scanner
Term
Name The Storage Devices
Definition
CD/DVD Drive
Hard Disk Drive
System Unit
Card Reader/ Writer
USB Falsh Drive
External Hard Disk
Term
Other Devices:
Definition
Modem
System Unit
Term
What are the parts of the Information Processing Cycle?
Definition
Input, Process, Output, and Storage
Term
What is Data?
Definition
A collection of unprocessed items, which can include text, numbers, images, audio, and video.
Term
What is Information?
Definition
Conveys meaning and is useful to one or more people.
Term
Who are people who use the computer directly?
Definition
Computer Users, End Users, and Users
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