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| Four Main Functions of the computer |
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1. Input 2. Storage 3. Process 4. Output |
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| getting data into a machine {keyboard,mouse,scanner} |
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computer holds the data until it is needed for processing or retrieved again {Temporary storage- RAM (random access memory)}
{Permanent Storage- ROM (read only memory) and hard drives and memory sticks/ floppy and CD/DVD}
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Central processing unit=CPU
Makes the computer work
All data and instruction that passes through it
Communicates through the motherboard
Uses switches to represent binary
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| Anything recognized my people or computers {sound, video (monitor, Video depth & resolution) and print} |
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1. Keyboard 2. mouse 3. scanner |
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Makes the computer work
All data and instruction that passes through it
Communicates through the motherboard
Uses switches to represent
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| Transfer things from other components |
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| Out output deivce ; the main output device |
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| Video resolution & color depth |
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The resolution is the number of pixels that your monitor can display
The color depth is how many colors can your monitor display
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- consists of metal platters coated with iron oxide. The head magnetize the particles. The 1’s and 0’s are represented by the poles of the magnetized particles.
- Hard disk/ Drive
- Diskette
- Cassette tape
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| Only thing that computers understand; base 2 Math; represented by 0’s and 1’s |
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| American Standard Code Information Interchange; How character (letter and numbers) typed on the keyboard are changed into binary numbers |
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| 8 of them make up a byte; a one or a zero or one piece of binary info; a single one or zero |
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| 8 bits make up a byte; each keyboard character is a combination of eight 1’s and 0’s |
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- uses lasers to both read and write binary data
- CD
- DVD
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| Connects computer to internet; in between |
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| The unit of measure for the speed of your modem or the transfer rate of your modem; Bits per second |
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| the only thing that computers understand is ? |
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| ? is the total number of pixels available on a computer's moniter to display information |
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| a ? produces hard copy output |
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CPU central processing unit |
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| the computer's brain is also known as the ? |
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| hard disk and floppy disk |
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| ? and ? are examples of magnetic storage devices |
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| the most common input device is ? |
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| all ? and ? pass through the CPU |
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RAM random access monitoring |
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| temporary storage component inside the computer is called what ? |
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| a ? device uses a laser to read and write data |
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| another name for the number of colors and computer moniter can display is ? |
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| the chart that contains the binary representation of keyboard characters is the what ? |
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the character on the keybaord is represented by a what ? |
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| the most common output device is a ? |
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| one thousand bytes are called ? |
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| the device that helps data get from your computer or network out onto the Internet is a ? |
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| the smallest piece of data is a ? which is represented by a ? or ? |
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| ? is an example of optical storage |
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| the ? function gets data into the computer. |
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| a ? connects the componets of the computer and helps data transfer . |
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| the ? function of a computer occurs when you click a ? |
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