adplus-dvertising
frame-decoration

Question

What is the purpose of ESI/EDI register?

a.

They are used as a stack pointer.

b.

They are used as a counter by repetitive instructions that require counting.

c.

They are frequently used as source/destination pointers in instructions that copy memory.

d.

They are mostly used as the stack base pointer.

Posted under Reverse Engineering

Answer: (c).They are frequently used as source/destination pointers in instructions that copy memory. Explanation:ESI/EDI are generic but frequently used as source/destination pointers in instructions that copy memory.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the purpose of ESI/EDI register?
Add Comment

Similar Questions

Discover Related MCQs

Q. What is the purpose of EBP register?

View solution

Q. What is the purpose of ESP register?

View solution

Q. What is the purpose of the EFLAGS register in IA-32 processors?

View solution

Q. How are flags used in IA-32 code?

View solution

Q. What are Jcc instructions used for?

View solution

Q. Can variables be tested and acted on in a single instruction in assembly language?

View solution

Q. What is an opcode in IA-32 instructions?

View solution

Q. What are the three basic forms of data in assembly language?

View solution

Q. What does an operand represent in IA-32 instructions?

View solution

Q. What is a memory address in IA-32 instructions?

View solution

Q. What does the general instruction format look like in IA-32 instructions?

View solution

Q. What does the EAX operand represent?

View solution

Q. What does the immediate operand represent?

View solution

Q. What is the most popular IA-32 instruction?

View solution

Q. How many operands does the MOV instruction take?

View solution

Q. Can both operands in the MOV instruction contain a memory address?

View solution

Q. How many basic integer arithmetic instructions are there in the IA-32 instruction set?

View solution

Q. What is the format of the IA-32 arithmetic instructions?

View solution

Q. What is the instruction used to compare operands in IA-32?

View solution

Q. How many operands does the CMP instruction take?

View solution
View All MCQs on Reverse Engineering

Suggested Topics

Are you eager to expand your knowledge beyond Reverse Engineering? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

R Programming

Unleash the power of statistical computing with our R Programming MCQs. Topics cover...

Object Oriented Programming Using C++

Enhance your programming skills with our MCQs on Object Oriented Programming using...

Hadoop

Dive into the world of big data with our Hadoop MCQs. Cover key concepts including...

Cyber Security

Understand the fundamentals of safeguarding digital assets with our Cyber Security...

Management Information Systems

Discover how businesses leverage technology with our Management Information Systems...

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

Digital Logic Design

Understand the foundation of digital computers with our Digital Logic Design MCQs....