Exam 16: Under the Hood

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The hexadecimal number C represents the decimal number ________.

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A binary digit is called a(n)________.

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The base-sixteen number system is also known as the ________ number system.

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The CPU is the part of the ALU that performs mathematical operations and makes comparisons.

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The CPU machine cycle starts with the Fetch step.

(True/False)
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Level 1 cache is located farther away from the CPU than Level 3 cache.

(True/False)
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The ASCII code is able to represent the alphabets of all modern and historic languages.

(True/False)
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The ________ processor is used in tablet computers and smartphones because it is very small and uses very little power.

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The collection of commands that a CPU executes is called the instruction set.

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Which of the following is NOT a step in the CPU machine cycle?

(Multiple Choice)
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Match each of the following terms to its definition:
semiconductor
when the CPU can work on more than one instruction at a time
pipelining
material that can be controlled to either conduct or prohibit the flow of electricity
integrated circuit
binary code for computer instructions
Correct Answer:
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semiconductor
when the CPU can work on more than one instruction at a time
pipelining
material that can be controlled to either conduct or prohibit the flow of electricity
integrated circuit
binary code for computer instructions
machine language
network of computers, where each computer simultaneously works on a portion of the same problem
parallel processing
consists of billions of transistors
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________ are devices that are in either the on or off state.

(Multiple Choice)
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Match each of the following terms to its definition:
Unicode
number system based on 16
decimal
number system based on 2
binary
can represent the alphabets of all modern and historic languages
Correct Answer:
Verified
Premises:
Responses:
Unicode
number system based on 16
decimal
number system based on 2
binary
can represent the alphabets of all modern and historic languages
hexadecimal
character coding system that assigns an integer to 127 different characters
ASCII
number system based on 10
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The base-2 number system is also known as the ________ number system.

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OR and AND are examples of ________ operators.

(Multiple Choice)
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The technique that enables the CPU to work on more than one instruction at the same time is called ________.

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Mathematical operations and comparisons are performed in the ________.

(Short Answer)
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All data input into a computer will be stored as 0s and 1s.

(True/False)
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