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Essential Intro. To Computers
COM4-COM10
19
Computer Science
10th Grade
09/06/2007

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Cards

Term
What is a computer?
Definition
A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept (input), process the data according to specified rules (process), produce results(outputs), and store the results(storage) for the future use.
Term
Name some output devices.
Definition
-printer
-portable media player
-monitor
Term
Name the input devices.
Definition
-PC video camera
-scanner
-digital camera
-keyboard
-mouse
-microphone
Term
Name some storage divices.
Definition
-hard disk
-CD/DVD drive
-system unit(processor and memory too)
-UBS flash drive
-external hard disk
Term
What are the parts of the information processing cycle?
Definition
Output, input, process, storage
Term
what is data?
Definition
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
what can people use the computer directly or use the information it provides?
Definition
Computer users and end users
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
The six primary components:
• Input devices
• Out devices
• Processor
• Memory
• Storage devices
• Communication devices
Term
Where do you find the processor and memory devices?
Definition
In a box like case called the system unit.
Term
what does an imput device allow you to do?
Definition
its a hardware component that allows you to enter data,programs, commands, and user respones into a computer.
Term
What is a keyboard?
Definition
An input devices that contains keys you press to enter data into the computer. Desktop computer has 101-105 keys
Term
what are some examples of handheld computers?
Definition
Smart phones, PDAs and tablet PCs
Term
what is a stylus?
Definition
Small metal or plastic device that looks like a ballpoint pen, but uses pressure instead of ink to write, draw, or make selections.
Term
what is a mouse?
Definition
Pointing device that fits comfortably under the palm of your hand. Control movement of the pointer on computer screen
Term
what is a system unit?
Definition
Case that contains electronic components of the computer used to process data.
Term
what is a motherboard?
Definition
System board and main circuit board of a system unit. This is where you would attach processors, memory, and expansion slots.
Term
what is a processor?
Definition
Also called random access memory(RAM), consists of electronic components that store instructions waiting to be executed by the processor.
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