ALU Operations

Computer Awareness

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Qn #2038
A CPU has an arithmetic unit that adds bytes and then sets its V, C and Z flag as follows:
V-bit is set if arithmetic overflow occurs
C-bit is set if carry-out is generated from the most significant bit
Z-bit is set if the result is zero

What are the values of V, C and Z flag bits respectively after the 8-bit bytes
1100 1100 and 1000 1111 are added?

Qn #1085
With 4-bit 2's complement arithmetic, which of the following addition will result in overflow?
Qn #798
Which of the following is used by ALU to store the intermediate results?
    ALU Operations Practice Questions | Group Studies Library | Tancet Group Studies