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Digital Electronics
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Number Systems and Codes
Comments
Question
Decimal 37 is ________ in binary with an even parity bit.
Options
A. 00100101
B. 10100101
C. 11000100
D. 01001011
Correct Answer
10100101
Number Systems and Codes problems
Search Results
1. Most computers store data in strings of ________ bits called a ________.
Options
A. 8, word
B. 8, byte
C. 16, word
D. 16, byte
Show Answer
Scratch Pad
Discuss
Correct Answer: 8, byte
2. Binary-coded-decimal 0111 1001 0011 is ________ in binary.
Options
A. 011110010011
B. 010110101111
C. 001100110011
D. 001100011001
Show Answer
Scratch Pad
Discuss
Correct Answer: 001100011001
3. A decimal number is converted to BCD by replacing each decimal digit with the appropriate 3-bit binary code.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
4. The 2's complement of a binary number is derived by adding 1 to the 1's complement.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
5. Repeated division-by-10 is used to convert decimal numbers to binary numbers.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
6. The two digits in the binary number system are ___ and ___.
Options
A. 1, 2
B. H, L
C. T, F
D. 0, 1
Show Answer
Scratch Pad
Discuss
Correct Answer: 0, 1
7. Whenever information is transmitted from one device to another, there is a possibility that ________.
Options
A. one device is off
B. errors will occur
C. there is a full moon
D. the data will be received as transmitted
Show Answer
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Discuss
Correct Answer: errors will occur
8. Decimal 42 is equivalent to binary ________.
Options
A. 01000010
B. 52
C. 2A
D. 101010
Show Answer
Scratch Pad
Discuss
Correct Answer: 101010
9. The decimal number ?128 is represented in the signed 2's complement system as ________.
Options
A. 1111 1110
B. 0111 1111
C. 1000 0000
D. 1111 1111
Show Answer
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Discuss
Correct Answer: 1000 0000
10. ________ symbols are needed to represent all digits in hexadecimal.
Options
A. Six
B. Ten
C. Twelve
D. Sixteen
Show Answer
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Discuss
Correct Answer: Sixteen
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