Operating System - Study Mode

[#366] Which of the following is helpful in evaluating applications software what will best suit your needs?
Correct Answer

(D) all of the above

Explanation

Solution: In evaluating applications software what will best suit your needs, recommendations by other users, computer magazines, objective software reviews.

[#367] What problem is solved by Dijkstra's banker's algorithm?
Correct Answer

(C) deadlock avoidance

Explanation

Solution: Deadlock Avoidance is solved by Banker's Algorithm. Banker's algorithm pretends to have allocated to required resources to the processes, and if the system doesn't lead to deadlock, it actually allocates the resources.

[#368] The dispatcher . . . . . . .
Correct Answer

(A) actually schedules the tasks into the processor

Explanation

Solution: The dispatcher actually schedules the tasks into the processor. The process scheduling is the activity of the process manager that handles the removal of the running process from the CPU and the selection of another process on the basis of a particular strategy.

[#369] System programs such as Compilers are designed so that they are
Correct Answer

(A) reenterable

Explanation

Solution: System programs such as Compilers are designed so that they are reenterable

[#370] IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?
Correct Answer

(D) CP/M

Explanation

Solution: CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user variations and were migrated to 16-bit processors. CP/M was displaced by DOS soon after the 1981 introduction of the IBM PC.