# Ch6Fill2 - a program’s instructions 6 The-logic unit performs logical and mathematical operations Answer arithmetic Difficulty level Medium Page

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1. The large circuit board that acts as the communications center for a computer system is called the __________. Answer: motherboard Difficulty level: Easy Page: 153 Response: The motherboard acts as the communications center for a computer system. 2. __________ consist of tiny circuit-boards etched onto squares of sandlike material called silicon. Answer: Chips Difficulty level: Medium Page: 153 Response: Chips are tiny circuit-boards etched on silicon. 3. Computer chips are mounted onto __________ packages that are plugged into the motherboard. Answer: carrier Difficulty level: Hard Page: 153 Response: Chips are mounted on carrier packages. 4. The __________ is considered the “brains” of the computer. Answer: CPU Difficulty level: Easy Page: 154 Response: The CPU is the “brains” of the computer. 5. The __________ unit tells the rest of the computer system how to carry out a program’s instructions. Answer: control Difficulty level: Medium Page: 155 Response: The control unit tells the rest of the computer system how to carry out

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Unformatted text preview: a program’s instructions. 6. The __________ -logic unit performs logical and mathematical operations. Answer: arithmetic Difficulty level: Medium Page: 155 Response: The ALU performs logical and arithmetic operations. 7. __________ operations consist of making comparisons. Answer: Logical Difficulty level: Easy Page: 155 Response: Logical operations consist of making comparisons. 8. A(n) __________ is a unit of time representing one millionth of a second. Answer: microsecond Difficulty level: Medium Page: 155 Response: A microsecond is a millionth of a second. 9. A 64-bit word computer can access __________ bytes of information at a time. Answer: eight Difficulty level: Hard Page: 155 Response: A 64-bit word computer can access 8 bytes at a time. 10. Pentium and Athlon microprocessor chips are both examples of this type of chip (__________ ). Answer: CISC Difficulty level: Hard Page: 155 Response: Both are classified as CISC chips....
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## This document was uploaded on 10/06/2010.

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Ch6Fill2 - a program’s instructions 6 The-logic unit performs logical and mathematical operations Answer arithmetic Difficulty level Medium Page

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