Prepare
Practice
Interview
Aptitude
Reasoning
English
GD
Placement
HR
Current affairs
Engineering
MCA
MBA
Online Test
Videos
Login
Addressing Modes of MCS-51 - MCQs with Answers
Topics
>>
Electronics and Communication Engineering
>>
Microcontrollers & Applications - 8051 Architecture
-06/12/15
« Previous
Next »
Addressing Modes of MCS-51 - MCQs with Answers
Q1. Which bits of opcode specify the type of registers to be used in the register addressing mode?
a. LSB
b. MSB
c. both a & b
d. none of the above
View Answer / Hide Answer
ANSWER: a. LSB
Q2. Which base-register is preferred for address calculation of a byte that is to be accessed from program memory by base-register plus register-indirect addressing mode?
a. DPTR
b. PSW
c. PCON
d. All of the above
View Answer / Hide Answer
ANSWER: a. DPTR
Q3. What does the symbol '#' represent in the instruction MOV A, #55H ?
a. Direct datatype
b. Indirect datatype
c. Immediate datatype
d. Indexed datatype
View Answer / Hide Answer
ANSWER: c. Immediate datatype
« Previous
Next »
Post your comment
Related Content
Memory Organization - MCQs with Answers
Functional Units of MCS-51 Architecture - MCQs with answers
Instructions Using Stack Pointer - MCQs with Answers
Program Branching Instructions in MCS-51 - MCQs with Answers
Boolean Variable Manipulation Instructions in MCS-51 - MCQs ...
Logical Instructions in MCS-51 - MCQs with Answers
Arithmetic Instructions in MCS-51 - MCQs with Answers
Data Transfer Instructions in MCS-51 - MCQs with Answers
Addressing Modes of MCS-51 - MCQs with Answers
Multi-Processor Communication of 8051 - MCQs with Answers
Serial Communication Modes of 8051 - MCQs with Answers
Serial Communication & SCON Register of 8051 - MCQs with Ans...
Programming Confined to Timer Modes - MCQs with Answers
Timer / Counter Modes of 8051 - MCQs with Answers
Timers & Counters of 8051 - MCQs with Answers
Follow us
CareerRide on YOUTUBE
CareerRide on INSTAGRAM
MCQs
English
Tutorials
Download
Related Topics
Mobile Communication
Electronics and Communication engineering multiple choice objective questions
Electronics Engineering test questions for exams & entrance
Microcontrollers & Applications - PIC Architecture
Microcontrollers & Applications - Fundamentals & Real World Interfacing
Analog Communication - Amplitude Modulation
▲