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Exam 5: The System Unit

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Question 31

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The system board is also known as the _______.

A) expansion slot
B) motherboard
C) expansion card
D) bus

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Question 32

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The ALU tells the rest of the computer system how to carry out a program's instructions.

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Question 33

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Which of the following is a function of the control unit?

eSATA ports provide high-speed connections for external hard disk drives, optical disks, and other large secondary storage devices.

The system unit, also known as the system chassis, is a container that houses most of the electronic components that make up a computer system.

_______ memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU.

Desktop computers have a(n) _______, located within the system unit, that plugs into a standard wall outlet, converts AC to DC, and provides the power to drive all of the system unit components.

_______ processors allow a single computer to run two or more operations at the same time.

The _______ system consists of only two digits-0 and 1.

The processing speed of a microprocessor is typically represented by its _______.

The number of bits that can travel simultaneously down a bus is known as the word size.

This character encoding scheme allows non-English characters and special characters to be represented.

HDMI ports make it possible to use a computer as a video jukebox or an HD video recorder.

Which of the following is not a character encoding standard?

Frequently-accessed information is held in _______.

For multicore processors to be used effectively, computers must understand how to divide tasks into parts that can be distributed across each core-an operation called _______.

USB ports are used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices.

Describe the character encoding schemes.

How is the multicore chip useful for personal computers?

Describe the three principal types of expansion buses.