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Exam 5: The System Unit

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Question 1

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

A) It provides pathways that support communication among the various electronic components.
B) It directs the movement of electronic signals between memory and the arithmetic-logic unit.
C) It performs fundamental math operations like addition, subtraction, and so on.
D) It uses the logic to compare two pieces of data.

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Question 2

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Describe the character encoding schemes.

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The three character encoding schemes are...

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Question 3

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Integrated circuits must be mounted on _____, which are then plugged into the system board.

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

Graphics cards connect the system board to secondary storage.

The system board is also known as the _____.

Desktop computers have a _____ (2 words) unit, 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.

Firewire ports are used to connect keyboards, mice, printers, and storage devices.

Frequently-accessed information is held in _____.

Describe the three principal types of expansion buses.

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

Laptops and tablets use _____ that are typically located outside the system unit.

How is the multicore chip useful for personal computers?

_____ (acronym) ports provide high-speed connections for external disk drives, optical disks, and other large secondary storage devices.

_____ ports provide high-speed connections that can connect up to seven separate devices connected one to another.

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

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

Term used to describe the number of bits that a CPU can access at one time.

A bus is a pathway for bits representing data and instructions.

In most personal computer systems, the CPU is contained on a single chip called the _____.