An 8-bit register may provide storage for two's-complement codes within which de

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Question
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

Correct Answer

?128 to +127

Digital Arithmetic Operations and Circuits problems

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2. 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

3. 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.

7. 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

10. 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

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