Tco 3 the x register in hcs12 is bits wide student

Question
1.
Question :
(TCO 3) The X register in HCS12 is _____ bits wide.
Student Answer: 8
12
16
20
Instructor Explanation:
pages 60-61, Course Textbook
Points Received: 0 of 2
Comments:
Question
2.
Question :
(TCO 3) The largest value (in decimal) that can be loaded into Register
Y of HCS12 is
-1580989758 MultipleChoice 4 False
0 -1580989758 MultipleChoice 4

Instructor Explanation: pages 62-63, Course Textbook
Points Received: 2 of 2
Comments:
Question
3.
Question :
(TCO 3) Which of the following is wrong?
Instructor Explanation: pages 62-63, Course Textbook
Points Received: 2 of 2
Comments:
Question
4.
Question :
(TCO 3) The address space 0x4000-0x7FFF is assigned to Flash ROM
of a given HCS12 chip. How many K bytes of Flash ROM is this?
-1580989757 MultipleChoice 11 True
0 -1580989757 MultipleChoice 11
-1580989756 MultipleChoice 17 True
0 -1580989756 MultipleChoice 17

64K
Instructor Explanation: pages 64-67, Course Textbook
Points Received: 0 of 2
Comments:
Question
5.
Question :
(TCO 3) Give the contents of the address location, $1201, after the
execution of the following instructions.
LDX #$55AA
STX $1200
Student Answer: $55
$AA
00
$12
Instructor Explanation: pages 60-64, Course Textbook
Points Received: 2 of 2
Comments:
Question
6.
Question :
(TCO 4) Give the contents of Register A after the execution of the
following instructions:
Data_1 EQU $22
Data_2 EQU $AA
LDAA #Data_1
ADDA #Data_2
-1580989755 MultipleChoice 21 False
0 -1580989755 MultipleChoice 21
-1580989754 MultipleChoice 27 True
0 -1580989754 MultipleChoice 27

Instructor Explanation: pages 81-84, Course Textbook
Points Received: 2 of 2
Comments:
Question
7.
Question :
(TCO 4) What is the addressing mode of the instruction “DECA ”?
Instructor Explanation: Inherent Addressing Mode. pages 70-77, Course Textbook
Points Received: 4 of 4
Comments:
Question
8.
Question :
(TCO 3) Give the status of C and Z flags after the execution of the
following instructions.
LDAA #$56
ADDA #$AA
C= ______ Z = _______
Instructor Explanation: C = 1, Z = 1. pages 77-78, Course Textbook
Points Received: 4 of 4
Comments:
* Times are displayed in (GMT-07:00) Mountain Time (US & Canada)
Grading Summary
-1580989753 MultipleChoice 32 True
0 -1580989753 MultipleChoice 32
-1580989752 Short 6 False
0 -1580989752 Short 6
-1580989751 Short 8 False
0 -1580989751 Short 8

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: 3/23/2014
Time Spent: 13 min , 17 secs
Points Received: 14 / 20 (70%)
Question Type: # Of Questions: # Correct:
Multiple Choice 5 3
Essay 1 N/A
Grade Details - All Questions