Understanding Computer Systems

Understand how data and programs are represented to a computer and be able to identify a few of the coding systems used to accomplish this.

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Explain the functions of the hardware components commonly found inside the system unit, such as the CPU, memory, buses, and expansion cards.

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Describe how new peripheral devices or other hardware can be added to a PC.

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Understand how the computer system’s CPU and memory components process program instructions and data.

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Name and evaluate several strategies that can be used today for speeding up the operations of a computer.

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List some technologies that may be used in the future PCs.

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What is the smallest unit of data that a binary computer can recognize?

• Bit

• Byte

• Kilobyte

• Megabyte

What is the main circuit board inside the system unit called?

• Motherboard

• CPU

• RAM

• Power Supply

What is the term for the temporary memory that the computer uses?

• RAM

• ROM

• Cache

• Flash

What is the measurement of CPU clock speed typically expressed in?

• Megahertz

• Gigahertz

• Kilohertz

• Terahertz