Questio n tco 5 find the value in register a after

Question
2.
Questio
n :
(TCO 5) Find the value in Register A after the execution of the following
code:
LDAA #$AA
EORA
#$FF
A = __________
Student Answer:
A= $55
A=$AA
A= $FF
A= 0
Instructor
Explanation:
pages 162-166, Course Textbook
Points Received: (not graded)
Comments:

Question 3. Question
:
(TCO 5) Find the value in Register A after the execution of the
following code:
LDAA #0
COMA ;complement A
ADDA #1
A = __________
Instructor
Explanation:
pages 162-166, Course Textbook
Points Received: (not graded)
Comments:
Question 4. Question :
(TCO 5) Which bit is used to indicate the sign of a 16-bit signed
number?
Instructor
Explanation:
pages 184-186, Course Textbook
Points Received: (not graded)
Comments:
Question 5. Question :
(TCO 5) Which of the following is -5 for an eight-bit signed

number?
Instructor
Explanation:
pages 184-186, Course Textbook
Points Received: (not graded)
Comments:
Grading Summary
These are the automatically
computed results of your exam.
Grades for essay questions, and
comments from your instructor,
are in the "Details" section below.
Date Taken: 8/25/2015
Time Spent: 02 min , 38 secs
Points Received: 12 / 20 (60%)
Question Type: # Of Questions: # Correct:
Multiple Choice 5 3
Grade Details - All Questions

Question 1. Question :
(TCO 5) For the SUBA #$66 in the following code, the ALU
performs:
LDAA #$99
SUBA #$66
A = ___________
Student Answer:
A= $99 + 1s complement of $66
A=$66 - $99
A= $99 – 2’s complement of $66
A= $99 + 2’s complement of $66
Instructor
Explanation:
pages 152-162, Course Textbook
Points Received: 4 of 4
Comments:
Question
2.
Questio
n :
(TCO 5) Find the value in Register A after the execution of the following
code:
LDAA #$AA
EORA
#$FF
A = __________
Instructor
Explanation:
pages 162-166, Course Textbook
Points Received: 4 of 4
Comments:

Question 3. Question
:
(TCO 5) Find the value in Register A after the execution of the
following code:
LDAA #0
COMA ;complement A
ADDA #1
A = __________
Instructor
Explanation:
pages 162-166, Course Textbook
Points Received: 4 of 4
Comments:
Question 4. Question :
(TCO 5) Which flag is used to see if the signed data are correctly
added together?
Instructor
Explanation:
pages 184-186, Course Textbook
Points Received: 0 of 4
Comments:
Question 5. Question :
(TCO 5) Which of the following is +9 for an eight-bit signed

number?
Student Answer:
10001001
00001001
11110111
None
Instructor
Explanation:
pages 184-186, Course Textbook
Points Received: 0 of 4
Comments: