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1. Why is all data stored in a computer in binary form?
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Binary is the format that the computer “understands,” not a programming language or a human language. All instructions between hardware and software in a computer are reduced to a simple yes or no, a state of on or off.
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What are the four primary functions of hardware?
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Input, processing, output, and storage
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What are the two main input devices and two main output devices? |
The two main input devices are the keyboard and the mouse. The two main output devices are the monitor and the printer. |
What three things do electronic hardware devices need in order to function? |
A method for the CPU to communicate with the device, software to instruct and control the device, and electricity to power the device |
How many bits are in a byte? |
Eight (8) |
What is the purpose of an expansion slot on a motherboard? |
An expansion slot on a motherboard is used for an expansion card, which enables a device that is not on the motherboard to communicate with the CPU. |
Which component on the motherboard is used primarily for processing? |
The CPU (central processing unit), also called the processor |
Name three CPU manufacturers. |
Possible answers: Intel, AMD, Cyrix, IBM |
What technology is most often used today to manufacture microchips? |
CMOS (complementary metal-oxide semiconductor) |
What are two other names for the system bus? |
Possible answers: memory bus, host bus, front side bus, external bus |
What are two other names for the motherboard? |
Main board, system board |
What are the two basic types of cables found inside a computer case and what are their basic functions? |
A data cable used for passing data between devices and a power cable used to supply power to a device. |
List three types of ports that are often found coming directly off the motherboard to be used by external devices |
Serial port, parallel port, USB port, network port, FireWire or 1394 port, mouse port, keyboard port, S/PDIF port, sound port, wireless LAN antenna port
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What is the purpose of the S/PDIF port? |
The S/PDIF port connects to an external home theater audio system, providing digital output and the best signal quality. |
List three kinds of memory modules. |
SIMMs (single inline memory modules), DIMMs (dual inline memory modules), RIMMs |