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Q.

...... controls the way in which the computer system functions and provides a means by which users can interact with the computer

A

The platform

B

The operating system

C

Application software

D

The motherboard

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1.

The date and time displays on

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Taskbar

B

Status bar

C

System tray

D

Launch pad

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A program in execution is called

A

A Paging

B

A Process

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A virtual memory

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A Demand Page

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3.

The Memory Address Register

A

is a hardware memory device which denotes the location of the current instruction being executed.

B

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

C

contains the address of the memory location that is to be read from or stored into.

D

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

E

None of the above

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4.

The main function of the dispatcher (the portion of the process scheduler) is

A

swapping a process to the disk

B

assigning ready process to the CPU

C

suspending some of the processes when the CPU load is high

D

bring processes from the disk to the main memory

E

None of the above

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5.

Use of icons and windows are characteristics of ....... interface

A

Command driven

B

Windows orientated

C

Graphical user

D

Menu driven

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