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Welcome to the Low Level Software MCQs Page

Dive deep into the fascinating world of Low Level Software with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Low Level Software, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Low Level Software, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Reverse Engineering.

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Check out the MCQs below to embark on an enriching journey through Low Level Software. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Reverse Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Low Level Software. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Low Level Software MCQs | Page 24 of 30

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Q231.
What is the purpose of a listing file?

a.

To reverse engineer the binary code produced by the compiler.

b.

To show how each assembly language line maps to the original source code.

c.

To store information about the compiler.

d.

To modify the assembly language code produced by the compiler.

Discuss
Answer: (b).To show how each assembly language line maps to the original source code. Explanation:The purpose of a listing file is to conveniently show how each assembly language line maps to the original source code.
Q232.
Which compilers support the generation of listing files during the compilation process?

a.

All compilers

b.

Only GCC

c.

Only Microsoft and Intel compilers

d.

Only compilers that generate object files

Discuss
Answer: (c).Only Microsoft and Intel compilers Explanation:Most compilers support the generation of listing files during the compilation process. In Microsoft and Intel compilers, a listing file is an optional feature that must be enabled through the command line.
Q233.
How can a listing file be used in reverse engineering?

a.

It can be used to modify the binary code produced by the compiler.

b.

It can be used to obtain information about the compiler.

c.

It can be used to observe the output through the listing file when feeding the compiler different code.

d.

It cannot be used in reverse engineering.

Discuss
Answer: (c).It can be used to observe the output through the listing file when feeding the compiler different code. Explanation:While a listing file is not strictly a reversing tool, it can be used as a research tool to observe the output through the listing file when feeding the compiler different code, in order to study the behavior of a specific compiler.
Q234.
Which compiler generates code for a large number of different processors, including IA-32?

a.

GCC and G++ version 3.3.1

b.

Microsoft C/C++ Optimizing Compiler version 13.10.3077

c.

Intel C++ Compiler version 8.0

d.

None of the above

Discuss
Answer: (a).GCC and G++ version 3.3.1 Explanation:The GNU C Compiler (GCC) and GNU C++ Compiler (G++) can be defined as "popular open-source compilers that generate code for a large number of different processors, including IA-32."
Q235.
Which compiler was developed primarily for those that need to squeeze the absolute maximum performance possible from Intel’s IA-32 processors?

a.

GCC and G++ version 3.3.1

b.

Microsoft C/C++ Optimizing Compiler version 13.10.3077

c.

Intel C++ Compiler version 8.0

d.

None of the above

Discuss
Answer: (c).Intel C++ Compiler version 8.0 Explanation:The Intel C++ Compiler version 8.0 as being "developed primarily for those that need to squeeze the absolute maximum performance possible from Intel’s IA-32 processors."
Q236.
Which compilers have a powerful optimization engine?

a.

GCC and G++ version 3.3.1

b.

Microsoft C/C++ Optimizing Compiler version 13.10.3077

c.

Intel C++ Compiler version 8.0

d.

Both a and c

Discuss
Answer: (d).Both a and c Explanation:The GNU compilers (also available for other high-level languages) are commonly used by developers working on Unix-based platforms such as Linux, and most Unix platforms are actually built using them. Note that it is also possible to write code for Microsoft Windows using the GNU compilers.
Q237.
What is an execution environment?

a.

A software environment that runs programs

b.

A hardware component that runs programs

c.

Both a software and hardware component that run programs

d.

None of the above

Discuss
Answer: (a).A software environment that runs programs Explanation:An execution environment is the component that actually runs programs. This can be a CPU or a software environment such as a virtual machine.
Q238.
How do execution environments affect the reversing process?

a.

They have no effect on the reversing process

b.

They directly affect the readability of the code, which affects the reversing process

c.

They indirectly affect the readability of the code, which affects the reversing process

d.

They only affect the performance of the program, which affects the reversing process

Discuss
Answer: (b).They directly affect the readability of the code, which affects the reversing process Explanation:The architecture of the execution environment often affects how the program is generated and compiled, which directly affects the readability of the code and hence the reversing process.
Q239.
What are the two basic types of execution environments?

a.

CPUs and GPUs

b.

Virtual machines and microprocessors

c.

Mainframes and supercomputers

d.

None of the above

Discuss
Answer: (b).Virtual machines and microprocessors Explanation:The two basic types of execution environments are virtual machines and microprocessors.
Q240.
What are two common virtual machine architectures?

a.

Java Virtual Machine (JVM) and Common Language Runtime (CLR)

b.

GNU C Compiler (GCC) and Microsoft C/C++ Optimizing Compiler

c.

Intel C++ Compiler and GCC/G++

d.

None of the above

Discuss
Answer: (a).Java Virtual Machine (JVM) and Common Language Runtime (CLR) Explanation:Two common virtual machine architectures are the Java Virtual Machine (JVM) that runs Java programs, and the Common Language Runtime (CLR) that runs Microsoft .NET applications.
Page 24 of 30

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