Operating System - Study Mode

[#471] Which of the following statement is true.
Correct Answer

(C) Seek analysis is used for analysing control-unit busy problems.

Explanation

Solution: As such, a statement is an assertion that something is or is not the case. A statement is true if what it asserts is the case, and it is false if what it asserts is not the case.

[#472] Which of the following is a phase of a compilation process
Correct Answer

(C) Both of the above

Explanation

Solution: Compiler operates in various phases each phase transforms the source program from one representation to another. Every phase takes inputs from its previous stage and feeds its output to the next phase of the compiler. There are 6 phases in a compiler. Each of this phase help in converting the high-level langue the machine code. The phases of a compiler are: I. Lexical analysis II. Syntax analysis III. Semantic analysis IV. Intermediate code generator V. Code optimizer VI. Code generator

[#473] Which are the most important features of Microsoft Windows program?
Correct Answer

(D) All of the above

[#474] Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?
Correct Answer

(B) load-and-go assembler

Explanation

Solution: In computer programming, a compile and go system, compile, load, and go system, assemble and go system, or load and go system is a programming language processor in which the compilation, assembly, or link steps are not separated from program execution.

[#475] Virtual memory is
Correct Answer

(B) used in all major commercial operating systems

Explanation

Solution: Virtual memory is an area of a computer system's secondary memory storage space (such as a hard disk or solid state drive) which acts as if it were a part of the system's RAM or primary memory. Ideally, the data needed to run applications is stored in RAM, where they can be accessed quickly by the CPU.