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Digital Electronics
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Digital Arithmetic Operations and Circuits
Comments
Question
When multiplying 13 × 11 in binary, what is the third partial product?
Options
A. 1011
B. 00000000
C. 100000
D. 100001
Correct Answer
00000000
Digital Arithmetic Operations and Circuits problems
Search Results
1. An 8-bit register may provide storage for two's-complement codes within which decimal range?
Options
A. +128 to ?128
B. ?128 to +127
C. +128 to ?127
D. +127 to ?127
Show Answer
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Discuss
Correct Answer: ?128 to +127
2. Divide the following binary numbers.
Options
A. 0000 0010 0000 0010 1000 1111
B. 0000 0010 0001 0010 0000 0100
C. 0000 0011 0000 0010 0000 0100
D. 0000 0010 0000 0010 0000 0100
Show Answer
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Discuss
Correct Answer: 0000 0010 0000 0010 0000 0100
3. In VHDL, what is a GENERATE statement?
Options
A. The start statement of a program
B. Not used in VHDL or ADHL
C. A way to get the computer to generate a program from a circuit diagram
D. A way to tell the compiler to replicate several components
Show Answer
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Correct Answer: A way to tell the compiler to replicate several components
4. What is the difference between a full-adder and a half-adder?
Options
A. Half-adder has a carry-in.
B. Full-adder has a carry-in.
C. Half-adder does not have a carry-out.
D. Full-adder does not have a carry-out.
Show Answer
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Correct Answer: Full-adder has a carry-in.
5. Adding in binary, a decimal 26 + 27 will produce a sum of:
Options
A. 111010
B. 110110
C. 110101
D. 101011
Show Answer
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Discuss
Correct Answer: 110101
6. Add the following BCD numbers.
0110
0111
1001
0101
1000
1000
Options
A. 0000 1011 0000 1111 0001 0001
B. 0001 0001 0001 0101 0001 0001
C. 0000 1011 0000 1111 0001 0111
D. 0001 0001 0001 0101 0001 0111
Show Answer
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Correct Answer: 0001 0001 0001 0101 0001 0111
7. Could the sum output of a full-adder be used as a two-bit parity generator?
Options
A. Yes
B. No
Show Answer
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Correct Answer: Yes
8. Perform the following hex subtraction: ACE
16
? 999
16
=
Options
A. 235
16
B. 135
16
C. 035
16
D. 335
16
Show Answer
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Correct Answer: 135
16
9. Add the following binary numbers.
0010 0110
0011 1011
0011 1100
+0101 0101
+0001 1110
+0001 1111
Options
A. 0111 1011 0100 0001 0101 1011
B. 0111 1011 0101 1001 0101 1011
C. 0111 0111 0101 1001 0101 1011
D. 0111 0111 0100 0001 0101 1011
Show Answer
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Discuss
Correct Answer: 0111 1011 0101 1001 0101 1011
10. Subtract the following hexadecimal numbers.
47
34
FA
?25
?1C
?2F
Options
A. 22 18 CB
B. 22 17 CB
C. 22 19 CB
D. 22 18 CC
Show Answer
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Discuss
Correct Answer: 22 18 CB
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