Operating System - Study Mode

[#516] If special forms are needed for printing the output, the programmer specifies these forms through?
Correct Answer

(A) JCL

Explanation

Solution: Job Control Language (JCL) is a name for scripting languages used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. More specifically, the purpose of JCL is to say which programs to run, using which files or devices for input or output, and at times to also indicate under what conditions to skip a step.

[#517] Which policy replace a page if it is not in the favoured subset of a process's pages?
Correct Answer

(D) Working set

Explanation

Solution: Working set is the physical memory assigned to a process by the Microsoft Windows NT and Windows 2000 operating systems. The working set consists of pages, which are sections of code and application data that have recently been used by the process.

[#518] Which of the following can be accesses by transfer vector approach of linking?
Correct Answer

(B) External subroutines

Explanation

Solution: An external subroutine is a sequence of statements that performs a discrete function, compiled separately from the calling program. Unless the subroutine is in the same file as the calling program, it must be cataloged in the account before being called.

[#519] Which of the following terms refers to the degree to which data in a database system are accurate and correct?
Correct Answer

(D) data integrity

Explanation

Solution: Data integrity is a fundamental component of information security. In its broadest use, “data integrity” refers to the accuracy and consistency of data stored in a database, data warehouse, data mart or other construct.

[#520] In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with
Correct Answer

(A) recognition of basic syntactic constructs through reductions

Explanation

Solution: In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with recognition of basic syntactic constructs through reductions.