Hardware - Memory & Secondary Storage

Question 1

What is ROM?

Answer 1

ROM is memory that cannot be changed by a program or user. ROM retains its memory even after the computer is turned off. For example, ROM stores the instructions for the computer to start up when it is turned on again.

Question 2

What is RAM?

Answer 2

RAM is a fast temporary type of memory in which programs, applications and data are stored. Here are some examples of what’s stored in RAM:
the operating system
applications
the graphical user interface (GUI)

Question 3

Which is not volatile RAM or ROM?

Answer 3

ROM

Question 5

What is flash memory?

Answer 5

Flash memory is an electronic non volatile computer storage medium that can be electrically erased and reprogrammed. It is made up of chips.

Question 8

What are examples of optical storage mediums?

Answer 8

CDs, DVDs, Blu-Rays

Question 9

What are examples of magnetic storage mediums?

Answer 9

Hard drives

Question 10

What are examples of flash based storage mediums?

Answer 10

USB Drives, Solid State Hard drives, SD Cards

Question 11

What is memory measured in?

Answer 11

Anything from Bites , Kilobytes , Megabytes, Gigabytes TerraBytes

Question 12

What is the difference between ROM and RAM?

Answer 12

RAM is computer memory which loses its data when the computer is switched off.

ROM is computer memory which retains its data, even when the computer is switched off.

Question 15

What does a byte consist of?

Answer 15

An 8 digit long number consisting of only 1’s and 0’s

Question 31

What is the main memory also known as?

Answer 31

It is also known as primary memory or immediate access store.