Question 1. The PC (program counter) in HCS12 is _____ bits wide. 8 12 16 20 Que

Question

Question 1. The PC (program counter) in HCS12 is _____ bits wide.   

        8
       12
       16
       20     

Question 5. Give the contents of the address location, $1200, after the execution of the following instructions.

LDY #$AA55
STY $1200

is it:

Question 6. Give the contents of Register A after the execution of the following instructions:

                Data_1                  EQU                       $FE
                Data_2                  EQU                       1

                                             LDAA                     #Data_1
                                             LDAB                     #Data_2
                                             ABA

is it:

Question 3. Which of the following is wrong?        LDAB #$255
       LDAB #$55
       LDAB #$FF
       LDAB #$00

Explanation / Answer

1. 16

3.  LDAB #$55

4. 16

Rest are questions of electrical engineering.

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