Points this page: $q,$

$[3$ pts$]($checkmark a$,$ b or c$-$only one choice$)$:

BitManipulation: When do you use ASR?

a$.$ ASR does not exist!

b$.$ When you right shift a signed number.

c$.$ When you right shift an unsigned number.

$[3$ pts$]($checkmark a$,$ b or c$-$only one choice$)$:

BitManipulation: How do you extract from a signed number the bits $22$ to $29?$

a$.$ SBFX R$0,$R$1,$#$22,$#$8$

b$.$ SBFX R$0,$R$1,$#$22,$#$29$

c$.$ UBFX R $0,R1,$#$22,$#$29$

$[3$ pts$]($checkmark a$,$ b or c $-$ only one choice$)$:

BitManipulation: How do you use bitwise XOR to flip a single bit? $(4$ bit example$)$

i$.$e$.R0=0b0101($some value$)R1=0b0001($bitmask$)R2=$ result

a$.$ EOR R$2,$R$0,$R$1$

b$.$ XOR R$2,$R$0,$R$1$

c$.$ EOR R$2,$R$0,$R$0$

$[3$ pts$]($checkmark $a,b$ or $c-$ only one choice$)$:

BitManipulation: How do you use bitwise AND to clear the last significant bit? $(4$ bit example$)$

i$.$e$.R0=0$ b$1011($some value$)R1=1110($bitmask$)R2=$ result

a$.$ AND R$2,$R$1,$R$1$

b$.$ AND R$2,$R$0,$R$0$

c$.$ AND R$2,$R$0,$R$1$