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Digital Electronics
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Number Systems and Codes
Comments
Question
Adding an odd-parity bit to ASCII hex code 2B results in 10101011.
Options
A. True
B. False
Correct Answer
True
Number Systems and Codes problems
Search Results
1. The ASCII code is a special code that represents all alphanumeric data.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
2. A parity bit is used to detect an error in data transmission caused by noise.
Options
A. True
B. False
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Discuss
Correct Answer: True
3. Manufacturers of computers utilize 3-bit codes to indicate operations or instructions.
Options
A. True
B. False
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Correct Answer: False
4. Digital systems operate only on discrete digits that represent numbers, letters, or symbols.
Options
A. True
B. False
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Correct Answer: True
5. A positive binary number is represented by a 1 sign bit.
Options
A. True
B. False
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Correct Answer: False
6. The binary number system is fundamental to all digital computers.
Options
A. True
B. False
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Correct Answer: True
7. Zeros may be added to the left of the MSB to produce even groups of 4 bits when converting from binary to hexadecimal.
Options
A. True
B. False
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Discuss
Correct Answer: True
8. The hexadecimal numbering system uses base 15.
Options
A. True
B. False
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Correct Answer: False
9. Most computers store binary data in groups of 32 bits called Dwords.
Options
A. True
B. False
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Correct Answer: False
10. Binary-coded-decimal numbers use only binary numbers between 0000 and 1001.
Options
A. True
B. False
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Correct Answer: True
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