What is the most important operation in binary-coded decimal (BCD) arithmetic? a

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Question
What is the most important operation in binary-coded decimal (BCD) arithmetic?
Options
A. addition
B. subtraction
C. multiplication
D. division

Correct Answer

addition

Digital Arithmetic Operations and Circuits problems

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1. 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.

3. 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

5. 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

9. 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.

10. 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

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