Computer Logic 2
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What is the smallest binary number that can be represented in an 8-bit register?
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0000 0000
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1111 1111
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255
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- 2.
What is an overflow error?
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An error that occurs when a logic circuit can only output a 1
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An error that occurs when a value is too large to fit in the available register
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A programming error
Correct Answer
A. An error that occurs when a value is too large to fit in the available register -
- 3.
A logic gate that gives an output of TRUE only if both inputs are true
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NOT gate
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OR gate
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AND gate
Correct Answer
A. AND gate -
- 4.
An inverter gate
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NOT gate
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OR gate
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AND gate
Correct Answer
A. NOT gate -
- 5.
What is the largest unsigned binary number that can be represented in an 8-bit register?
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0000 0000
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1111 1111
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255
Correct Answer
A. 1111 1111 -
- 6.
The one's complement of 01101110 is
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11101110
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01101111
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10010001
Correct Answer
A. 10010001Explanation
One's complement is found by inverting all digitsRate this question:
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- 7.
Add the following binar numbers: 1010 + 0010
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1000
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1110
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1100
Correct Answer
A. 1100 -
- 8.
Computer registers hold binary numbers. Binary numbers can represent
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Numbers and characters
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Numbers only
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Characters only
Correct Answer
A. Numbers and characters -
- 9.
Give the two's complement of 010011001
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10110111
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10110110
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1
Correct Answer
A. 10110111Explanation
To convert unsigned binary to two's complement:
1. Invert all digits
2. Add 1Rate this question:
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- 10.
What is the smallest two's complement that can be stored in an 8-bit register? (Give the decimal equivalent of this number)
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-128
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0
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-127
Correct Answer
A. -128 -
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Current Version
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Mar 15, 2022Quiz Edited by
ProProfs Editorial Team -
Feb 09, 2011Quiz Created by
Marlenegalea
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