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10 Cards in this Set
- Front
- Back
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What are the three functions of the computer system?
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1) Receive information as the user inputs it
2) Process that information per the directions that the user defines 3) Output the information in a usable format |
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What is the difference between RAM and ROM?
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Ram is temporary memory that is designed to hold new data and only available while the computer is on.
Rom is permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed at the manufacturer. |
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What are bits and bytes?
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Bits are the smallest unit of binary information.
Bytes are made up of 8 bits and represent a single character. |
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What are all the input devices mentioned in the textbook?
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Keyboard, mouse (wireless), touch pad, track ball, mouse pad, scanner, graphics tablet, micophone, sound card, head phone, digital camera, digital video camera, web cam, personal digital assistant (PDA), tablet computers, interactive whiteboards, clicker
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What is OCR?
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Optical Character Recognition: software that allows a scanner to convert text.
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What are the output devices listed in the textbook?
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computor monitors, printers, speakers, projection units, document cameras, interactive whiteboards, portable media players
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What are the storage devices listed in the textbook?
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external hard disk drive, hard disk drive, USB drives, CD-ROM, CD-R, CD-RW, DVD-ROM
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What is software versus hardware?
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Software are the programs that tell the computer what to do. Hardware are the things that the user can visually see and touch that make up the computer as we know it.
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What are the monitor adaptations listed in the textbook?
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screen magnifier, anti-glare filters, monitor mounts, speechoutput software, refreshable braille display
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What are the keyboard adaptations listed in the textbook?
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arm and writs supports, alternate keyboards, keyguards, moisture guards, alternative labels, adjustable wand or stick, touch screen, switches
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