DeVry ECET 330 ECET330 Quiz 5 Answers

ECET 330 ECET330 QUIZ 5

1. (TCO 5) For the SUBA #$66 in the following code, the ALU performs:   LDAA     #$66
                   SUBA     #$99     
    
   A = __________
2.  
   (TCO 5) Find the value in Register A after the execution of the following code:
    
                   LDAA     #$37
                   ORAA    #$F0                                                                                     
    
   A = __________
3.  
   (TCO 5) Find the value in Register A after the execution of the following code:
    
                   LDAA     #$66
                   COMA                   ;complement A
                   ADDA     #01                                                                                        
    
   A = __________
4.  
   (TCO 5) Which bit is used to indicate the sign of a 16-bit signed number?
5.  
   (TCO 5) Which of the following is +9 for an eight-bit signed number?
6.  
   (TCO 5) Find the value in Register A after the execution of the following code:
    
                   LDAA     #$56
                   SUBA     #$93
    
   A = __________
7.  
   (TCO 5) Find the value in Register A after the execution of the following code:
    
                   LDAA     #$37
                   ORAA    #$F0                                                                                     
    
   A = __________
8.  
   (TCO 5) Find the value in Register A after the execution of the following code:
    
                   LDAA     #$FF
                   COMA                   ;complement A
                   ADDA #1                                                                                                             
    
   A = __________
9.  
   (TCO 5) Which bit is used to indicate the sign of an eight-bit signed number?
10. (TCO 5) Which of the following is +9 for an eight-bit signed number?
11. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$99
                    SUBA     #$66
     
    A = __________
12. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$37
                    ORAA    #$F0                                                                                     
     
    A = __________
13. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    CLRA                                      ;Clear A
                    COMA                   ;complement A
                    LSLA                                                                                                      
     
    A = __________
14. (TCO 5) Which bit is used to indicate the sign of a 16-bit signed number?
15. (TCO 5) Which of the following is +9 for an eight-bit signed number?
16. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$32
                    SUBA     #$3E                                                                                     
     
    A = __________
17. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$37
                    ANDA    #$0F                                                                                     
     
    A = __________
18. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #0
                    COMA                   ;complement A
                    ADDA #1                                                                                                             
     
    A = __________
19. (TCO 5) Which bit is used to indicate the sign of an eight-bit signed number?
20. (TCO 5) Which of the following is +9 for an eight-bit signed number?
21. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$99
                    SUBA     #$66
     
    A = __________
22. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$37
                    ORAA    #$F0                                                                                     
     
    A = __________
23. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    CLRA                                      ;Clear A
                    COMA                   ;complement A
                    ADDA #01                                                                                                           
     
    A = __________
24. (TCO 5) For a 16-bit signed number, we can use a maximum of __________ bits for the non-sign portion (magnitude) of the signed number.
25. (TCO 5) The largest eight-bit positive signed number that we can have is
26. (TCO 5) For the SUBA #$66 in the following code, the ALU performs:
     
                    LDAA     #$99
                    SUBA     #$66     
     
    A = ___________
27. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$55
                    EORA     #$FF                                                                                     
     
    A = __________
28. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    CLRA                                      ;Clear A
                    COMA                   ;complement A
                    ADDA #01                                                                                                           
     
    A = __________
29. (TCO 5) For a 16-bit signed number, we can use a maximum of __________ bits for the non-sign portion (magnitude) of the signed number.
30. (TCO 5) Which of the following is +5 for an eight-bit signed number?
31. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$99
                    SUBA     #$66
     
    A = __________
32. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$AA
                    EORA     #$FF                                                                                     
     
    A = __________
33. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #0
                    COMA                   ;complement A
                    ADDA #1                                                                                                             
     
    A = __________
34. (TCO 5) Which bit is used to indicate the sign of a 16-bit signed number?
35. (TCO 5) Which of the following is -5 for an eight-bit signed number?
36. (TCO 5) For the SUBA #$66 in the following code, the ALU performs:
     
                    LDAA     #$99
                    SUBA     #$66     
     
    A = ___________
37. TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #$AA
                    EORA     #$FF                                                                                     
     
    A = __________
38. (TCO 5) Find the value in Register A after the execution of the following code:
     
                    LDAA     #0
                    COMA                   ;complement A
                    ADDA #1                                                                                                             
     
    A = __________
39. (TCO 5) Which flag is used to see if the signed data are correctly added together?
40. (TCO 5) Which of the following is +9 for an eight-bit signed number?