To mask the LSB of the A, we must AND it with( )
A. 7FH
B. 80H
C. FEH
D. FFH
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The instructions that copy data from register R0 to register R5 when register bank 0 is active is ( )
A. MOV R5, R0
B. MOV 05H, 00H
Determine whether the following argument is valid or not. “All students in this class understand logic. Xavier is a student in this class. Therefore, Xavier understands logic.” ( )
A. valid
B. invalid
Determine whether the following argument is valid or not. “Every computer science major takes discrete mathematics. Natasha is taking discrete mathematics. Therefore, Natasha is a computer science major.” ( )
A. valid
B. invalid
Determine whether the following argument is valid or not. “All parrots like fruit. My pet bird is not a parrot. Therefore, my pet bird does not like fruit.” ( )
A. valid
B. invalid