Fill in the Blanks Below with the Part on the Operating

question 27

Short Answer

Fill in the blanks below with the part on the operating system (file manager,memory manager,device drivers,window manager,scheduler,dispatcher)that performs the activity described.
A. _______________ Maintains a record of what is displayed on the computer's screen
B. _______________ Performs the switching from one process to another
C. _______________ Maintains the directory system
D. _______________ Creates virtual memory

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Definitions:

Ionic Compound

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding, typically formed between metal cations and non-metal anions.

Phosphorus

A reactive, non-metallic element found in Group 15 of the periodic table, essential for life.

Calcium

A chemical element with the symbol Ca and atomic number 20, a reactive, pale yellow metal that forms compounds with many other elements.

Ionic Formula

A notation that represents the composition of an ionic compound by showing the ratio of ions present in the compound.