Other Programming & Computer Science Answers

One job of the scheduler is to:
A. Ensure hardware resources are kept free for when they are needed.
B. Provide acceptable response time to interactive users.
C. Ensures that one process does not accidentally access another's memory
locations.

Managers who are potential users Of an MIS:
A Describe desired information needs.
B Identify desired information needs.
C Evaluate alternate equipment configurations.
D Identify optimum equipment configurations.

A multi-programming computer is one which:
A. Has several processors working in parallel.
B Having multiple users working at the same time.
C Is capable of running two or more programs apparently simultaneously.
D) Multiple programs are made to run at the same time.

A data model is:
A Used to describe the structure of a database.
B Set of basic operations on the database.
C Both (A) and (B).
I) None of the above.

The level of data abstraction which describes how the data is actually stored in a database system is;
A Conceptual level.
B Physical level.
C File level.
D None or these.

A real-time operating system is most likely to be used for which of the following task?
A. Controlling access to a shared resource in a network.
B. Ensuring that system clock works correctly on a server.
C. Managing the access to system files in a laptop computer.
D. Controlling the fuel injection system of an automobile engine.

In the memory hierarchy, the fastest memory is?
A RAM.
B Cache.
C CPU registers.
D) Virtual Memory.

Which of the following is NOT an advantage
or Dynamic RAMs?
A High density.
B Low cost.
C High speed.
D NO need of memory refresh.

The virtual memory of a computer system
may be:
A Of unlimited size.
B As big as the maximum addressing capability of the computer system.
C Of size equivalent to the total capacity of secondary storage plus that of RAM.
D) None or the above.

The simplified form of the expression
AB+ABC is:
A. AB
B. A(B+C)
C. AB+AC