Using 4-bit adders to create a 1See Section 6-bit adder: requires 16 adders. req

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Using 4-bit adders to create a 1See Section 6-bit adder:
Options
A. requires 16 adders.
B. requires 4 adders.
C. requires the carry-out of the less significant adder to be connected to the carry-in of the next significant adder.
D. requires 4 adders and the connection of the carry out of the less significant adder to the carry-in of the next significant adder.

Correct Answer

requires 4 adders and the connection of the carry out of the less significant adder to the carry-in of the next significant adder.

Digital Arithmetic Operations and Circuits problems

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2. The selector inputs to an arithmetic/logic unit (ALU) determine the:
Options
A. selection of the IC
B. arithmetic or logic function
C. data word selection
D. clock frequency to be used

4. What is the first thing you will need if you are going to use a macrofunction?
Options
A. A complicated design project
B. An experienced design engineer
C. Good documentation
D. Experience in HDL

10. 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.

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