Memory and Processors

Question 1

What is memory used for?

Answer 1

To store instructions which the CPU executes.

Question 2

What are the three types of memory?

Answer 2

RAM, ROM and Flash Memory.

Question 3

What are examples of primary data storage?

Answer 3

RAM and ROM.

Question 4

What are examples of seconday storage?

Answer 4

Hard drives.

Question 5

What are examples of offline storage?

Answer 5

CD’s, DVD’s, USB’s and Magnetic tape.

Question 6

What is RAM?

Answer 6

Data storage that can be read to and written to.

Question 7

What does RAM contain?

Answer 7

OS, software in use, the data which the software is using.

Question 8

Is RAM a “volatile” type of data storage?

Answer 8

Yes; it empties when the computer is turned off.

Question 9

What would be the effect of having more RAM?

Answer 9

Computer speed would be improved.

Question 10

What is ROM?

Answer 10

Data storage that can only be read, not written to.

Question 11

Is ROM a “volatile” type of data storage?

Answer 11

No; data is held permanently in memory, even when the computer is turned off.

Question 12

What is PROM?

Answer 12

Programmable ROM - can be written to but only once.

Question 13

What is Virtual memory?

Answer 13

Part of the hard drive as an extension to RAM, very slow.

Question 14

What is EPROM?

Answer 14

Erasable Programmable ROM.

Question 15

What is EEPROM?

Answer 15

Electronically Erasable Programmable ROM .

Question 16

What is Flash Memory?

Answer 16

A type of EEPROM which has a low power consumption and can be used for devices which rely on internal power.