AS-T3-Hardware

Why is secondary memory necessary?

• It stores data temporarily only while the computer is on

• It is faster than main memory

• It stores data for a long period of time

• It is cheaper per MB than main memory

State the correct type of secondary storage for this statement:
Pits and lands are created on a reflective surface.

State the correct type of secondary storage for this statement:
A red or blue laser is used to read and write data.

State the correct type of secondary storage for this statement:
NAND or NOR technology is used.

State the correct type of secondary storage for this statement:
Transistors are used as control gates and floating gates.

State the correct type of secondary storage for this statement:
Platters are spun that are divided into tracks and sectors.

State the correct type of secondary storage for this statement:
Electromagnets are used to read and write data.

temporary storage area used to manage data between two different processes or devices

What are NOT the main purposes of a buffer in computer systems?

• To permanently store data for later use

• To speed up the processor by overclocking

• To temporarily hold data while it is being transferred between devices

• To allow processes / devices to operate at different speeds

• To compress files to save disk space

Make up of matrix fuses

• PROM

• EPROM

• EEPROM

• ROM