Operating System - Study Mode

[#386] In which way(s) a macro processor for assembly language can be implemented:
Correct Answer

(D) all of the above

Explanation

Solution: A macro processor is a program that copies a stream of text from one place to another, making a systematic set of replacements as it does so. Macro processors are often embedded in other programs, such as assemblers and compilers. Sometimes they are standalone programs that can be used to process any kind of text.

[#387] Which of the following is a type of systems software used on microcomputers?
Correct Answer

(D) All of the above

Explanation

Solution: The operating system (OS) is the best known example of system software. The OS manages all the other programs in a computer. According to some definitions, system software also includes system utilities, such as the disk defragmenter and System Restore, and development tools such as compilers and debuggers.

[#388] The working set theory of programming behaviour of processes running within an operating system involves
Correct Answer

(A) the collection of pages that a process accesses

Explanation

Solution: The working set theory of programming behaviour of processes running within an operating system involves the collection of pages that a process accesses

[#389] Operating system is
Correct Answer

(C) A collection of software routines

Explanation

Solution: An Operating System acts as an intermediary between user/user applications/application programs and hardware. It is a program that manages hardware resources. It provides services to application programs.

[#390] A file organization component of a VSAM file is:
Correct Answer

(D) all of the above

Explanation

Solution: VSAM files cannot be routinely displayed or edited with ISPF. You can use VSAM to organize records into four types of data sets: key-sequenced, entry-sequenced, linear, or relative record. The primary difference among these types of data sets is the way their records are stored and accessed.