System Software MCQ-3

Q.1 Which of the following is the First phase of the compiler?

• A) Syntax analysis
• B) Lexical analysis
• C) Semantic analysis
• D) None of these

Q.2 Which of the following phase of the compiler generates a parse tree as output?

• A) Syntax analysis
• B) Lexical analysis
• C) Semantic analysis
• D) None of these

Q.3 The saving of data and instructions to make them readily available is the job of the:

• A) Cache unit
• B) Input unit
• C) Output unit
• D) Storage unit

Q.4 Actions implementing an instruction’s meaning are actually carried out during:

• A) Instruction fetch
• B) Instruction decode
• C) Instruction execution
• D) None of these

Q.5 Which of the following registers holds information before it goes to the decoder?

• A) Control register
• B) Data register
• C) Accumulator
• D) Address register

Q.6 Which of the following is considered an optional phase of the compiler?

• A) Code generation
• B) Code Optimization
• C) Both A & B
• D) None of these

Q.7 A linker is given object modules for a set of programs. What information does NOT need to be included in an object module?

• A) Relocation bit
• B) Object code
• C) Absolute addresses of internal symbols
• D) None of these

Q.8 Relocation bits used by a relocating loader are specified by the:

• A) Relocating loader itself
• B) Assembler or Translator
• C) Macro processor
• D) None of these

Q.9 Relocatable programs possess which of the following characteristics?

• A) Cannot be used with fixed partitions
• B) Can be loaded almost anywhere in memory
• C) Do not need a linker
• D) None of these

Q.10 The recognition of basic syntactic constructs through reductions is performed by:

• A) Lexical analysis
• B) Syntax analysis
• C) Semantic analysis
• D) None of these

Q.11 Debug monitors assist the developer by:

• A) Setting breakpoints in the program
• B) Displaying values of variables
• C) Both of the above
• D) None of the above

Q.12 Which component is typically responsible for controlling the physical devices of a computer?

• A) Mouse
• B) Keyboard
• C) Assembler
• D) None of these

Q.13 According to the provided key, which of the following is NOT a process state?

• A) Terminating
• B) Running
• C) Blocked
• D) Execution

Q.14 Which of the following is the first module of a language processor?

• A) Loader
• B) Compiler
• C) Preprocessor
• D) Linker

Q.15 What does the acronym GUI stand for?

• A) Graphical user interface
• B) Graphical unit interface
• C) Graphical user internet
• D) None of these

Q.16 A grammar for a programming language provides a formal description of its:

• A) Syntax
• B) Semantics
• C) Structure
• D) Code

Q.17 MS-DOS is a primary example of which type of interface?

• A) GUI
• B) CLS
• C) Both A & B
• D) None of these

Q.18 In the software development lifecycle, problem analysis is primarily performed during the:

• A) System design phase
• B) System analysis phase
• C) Before system test
• D) All of these

Q.19 Which of the following are primary functions of a loader?

• A) Allocation
• B) Linking
• C) Relocation
• D) All of these

Q.20 Operating systems and utility systems are examples of which software category?

• A) System software
• B) Device drivers
• C) Application software
• D) Customized software