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Digital Electronics
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Digital Arithmetic Operations and Circuits
Comments
Question
FC48 ? AB91 = ________.
Options
A. 5B77
B. 5267
C. 50B7
D. 5077
Correct Answer
50B7
Digital Arithmetic Operations and Circuits problems
Search Results
1. The binary addition of 1 + 1 = ________.
Options
A. sum = 1
carry = 1
B. sum = 0
carry = 0
C. sum = 1
carry = 0
D. sum = 0
carry = 1
Show Answer
Scratch Pad
Discuss
Correct Answer: sum = 0
carry = 1
2. If [A] = 10 and [B] = 01, then [A]
[b] = ________.
Options
A. [00]
B. 00
C. 11
D. [11]
Show Answer
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Discuss
Correct Answer: 11
3. The binary subtraction 1 ? 1 = ________.
Options
A. difference = 0
borrow = 0
B. difference = 1
borrow = 0
C. difference = 1
borrow = 1
D. difference = 0
borrow = 1
Show Answer
Scratch Pad
Discuss
Correct Answer: difference = 0
borrow = 0
4. A four-bit adder can perform ________.
Options
A. addition
B. subtraction
C. logical AND
D. All of the above
Show Answer
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Discuss
Correct Answer: addition
5. The two's complement of 00001111 is ________.
Options
A. 11111111
B. 11110000
C. 11110001
D. 11110111
Show Answer
Scratch Pad
Discuss
Correct Answer: 11110001
6. When subtracting 6 from 9 using 2's-complement methods, the ________ is 2's complemented before the addition.
Options
A. six
B. multiplier
C. nine
D. two
Show Answer
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Discuss
Correct Answer: six
7. Packages are used to contain ________ and other information that must be available to all entities in the design file.
Options
A. types
B. vectors
C. components
D. variables
Show Answer
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Discuss
Correct Answer: components
8. Negation is performed by simply performing the ________ operation.
Options
A. 1's-complement
B. sign
C. surrogate
D. 2's-complement
Show Answer
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Discuss
Correct Answer: 2's-complement
9. Subtraction of the 2's-complement system actually involves the operation of ________.
Options
A. multiplication
B. subtraction
C. addition
D. division
Show Answer
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Discuss
Correct Answer: addition
10. In VHDL, the architecture declaration always begins with the ________ of variable signals or components that will be used in the concurrent description between BEGIN and END.
Options
A. type
B. vectors
C. functions
D. declarations
Show Answer
Scratch Pad
Discuss
Correct Answer: declarations
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