
VXL (270-330)
Quiz
•
Science
•
University
•
Practice Problem
•
Hard
SML Channel
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Enhance your content in a minute
65 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: MOV A, #OFFH MOV RO, #OFOH XRL A, RO Kết quả cia thanh ghi A la:
FOH
OFH
OOH
FFH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: MOV A, #OFFH MOV RO, #OFOH XRL A, RO Kết quả của thanh ghi RO là:
FOH
OFH
00H
FFH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: MOV RO, #7FH MOV 7EH, #O0H MOV 7FH, #40H DEC @RO DEC RO DEC @RO Kết quả của thanh ghi RO là:
7FH
7BH
KPH
3FH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: MOV RO, #TFH MOV 7EH. #00H MOY 7FH, #40H DEC @RO DEC RO DEC @RO Kết quả của ô nhớ có địa chỉ 7BH và 7PH là:
(7BH ) = 00H, ( 7FH) =40H
(7EH) = FFH. (7FH ) = 3FH
(7BH ) = 3FH. (7FH ) = FFH
(7EH) = 40H, (7FH ) = 00H
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: SETB C MOV A, #OC9H MOV R2, #54H SUBB A, R2 Kết quả của thanh ghi A là:
C9H
54H
74H
75H
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đoạn mã Assembler sau: SETB C MOV A, #0C9H MOV R2, #54H SUBB A, R2 Kết quả của thanh ghi R2 là:
C9H
54H
74H
75H
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho doan mã Assembler sau: MOV A, #0C5H SWAP A ADD A, #32H Kết quả của thanh ghi A là:
CSH
32H
E8H
8EH
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