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virtual memory

Total questions: 50

Worksheet time: 23mins

Name
Class
Date
1.

Memory that uses secondary storage so that it seems like an entire program is running from RAM

a)

Cache Memory

b)

Virtual Memory

c)

Flash Memory

d)

Registers

2.
Virtual memory is
a)
a memory management technique
b)
a virus checking utility
c)
a piece of hardware
d)
an series of pixels used to represent an image
3.
Virtual memory is used
a)
when the RAM is not enough to contain all of the programs and data currently being used
b)
every other time a program is used
c)
as a secondary storage medium for long term storage of documents
d)
when the CPU is getting overheated
4.
Virtual memory typically uses two storage devices, RAM and ______________.
a)
the hard drive
b)
ROM
c)
a secondary piece of RAM
d)
a CD-ROM
5.
A program stored in virtual memory may run slower than a program stored on the RAM
a)
TRUE
b)
FALSE
6.
The computer can take programs out of the RAM and store them in virtual memory, this frees up the RAM to be used to open more programs.
a)
TRUE
b)
FALSE
7.

Hard drives have faster access times than RAM

a)

TRUE

b)

FALSE

8.

The more programs you have open, the less RAM and virtual memory will be needed.

a)

TRUE

b)

FALSE

9.
Virtual memory makes use of secondary storage as if it were main memory.
a)
TRUE
b)
FALSE
10.

Why is Virtual Memory needed or used by a computer?

a)

When RAM becomes full because of too many programs running at once

b)

When ROM is too small and struggles to store the Operating System

c)

When users wish to store data on an external server such as 'the cloud'

d)

When chosen by the user or computer administrator

11.

What is the purpose of RAM?

a)

To hold instructions that are currently in use.

b)

To store the boot-up sequence.

12.

What is the purpose of ROM?

a)

To hold the instructions that are currently in use.

b)

To store the boot-up sequence to start the computer.

13.

A small piece of memory, located inside the CPU is called the...

a)

virtual memory

b)

ROM

c)

cache

14.

Using virtual memory is not as efficient as using RAM, why?

a)

it slows down the processing of the computer system

b)

it takes up storage space on your USB

c)

it is expensive

15.

What is a disadvantage of using cache memory?

a)

its very expensive

b)

it speeds up the processing

c)

it is too big

16.

If there was no RAM or ROM in a computer system, the computer would still turn on...

a)

Yes

b)

No

17.
RAM & ROM are known as what kind of memory?
a)
Secondary storage
b)
Main memory
c)
Registers
d)
Flash memory
18.
Where is ROM usually found inside a computer?
a)
Inside the CPU
b)
As part of the hard drive
c)
On the motherboard
d)
With the CD drive
19.
In terms of computer memory, what is meant by the term 'volatile'?
a)
It retains its content when power is cut
b)
It loses its contents when power is cut
c)
It is not stable and should not be used
d)
Memory chips can overheat
20.
Which statement best describes ROM?
a)
A flash memory chip that contains a small amount of non-volatile memory
b)
A memory store containing a large amount of volatile memory
c)
A register within the CPU responsible for storing memory addresses
d)
A memory store containing a small amount of volatile memory
21.
What is usually held in the contents of RAM?
a)
BIOS and Boot sequence needed to start the computer
b)
Operating System and currently running programs
c)
Software programs stored within the computer
d)
Recently executed instructions in case they are needed again
22.
Found in the computer's BIOS, what actually is the 'bootstrap'?
a)
The program which takes the computer through steps that lead up to the loading of the operating system (OS)
b)
The program responsible for loading the drives for peripheral devices like the keyboard and mouse
c)
The computer's initial start-up process
d)
The device used to attach the ROM to the computer's motherboard
23.
Why is Virtual Memory needed or used by a computer?
a)
When RAM becomes full because of too many programs running at once
b)
When ROM is too small and struggles to store the Operating System
c)
When users wish to store data on an external server such as 'the cloud'
d)
When chosen by the user or computer administrator
24.
What is the term commonly used to describe the constant swapping in-and-out of programs between the RAM and Virtual Memory?
a)
Swapping
b)
Paging
c)
Disk thrashing
d)
Over-clocking
25.
What is the main purpose of ROM?
a)
To read information
b)
To store programs and data currently in use
c)
To store programs and data
d)
To store the boot program
26.
What is the purpose of the boot program?
a)
To load Microsoft Office
b)
To perform some basic checks and get the computer started
c)
To switch the computer off
d)
To create install programs
27.
Can the contents in ROM be changed?
a)
Not normally but can be changed through a process called 'flashing'
b)
Yes
c)
The content are always changing as they are used by the CPU
28.
What is thrashing?
a)
This is when the memory breaks down
b)
This is when the operating system is loaded
c)
This is when some basic checks are carried out
d)
This is when the CPU is having to constantly swap data between the RAM and hard drive
29.
What is cache memory?
a)
It is used to permanently store data and programs
b)
It is used to store numbers
c)
It is used between the RAM and CPU to improve performance by holding data that has just been or is about to be processed.
d)
It is used to store letters  
30.
In order of fastest to slowest with the fastest on the left and slowest on the right, name each type of memory in order.
a)
Cache > RAM > Hard Drive
b)
Hard Drive > RAM > Cache
c)
RAM > Cache > Hard Drive
d)
RAM > Hard Drive > Cache
31.
What is flash memory?
a)
It is a type of ROM that can be re-written
b)
Flash memory is a type of RAM
c)
It is part of the CPU
d)
Flash memory is a CPU register
32.
Which one of the following is an example of flash memory?
a)
Hard Disk Drive
b)
DVD Disc
c)
USB Pen Drive
d)
RAM
33.
What is virtual memory?
a)
This is when part of the hard drive is used as an extension to RAM
b)
This is when the hard drive is used as an extension to ROM.
c)
This is responsible for starting up the computer
d)
The virtual memory is one of the CPU's registers
34.
Virtual memory is
a)
a memory management technique
b)
a virus checking utility
c)
a piece of hardware
d)
an series of pixels used to represent an image
35.

The set of addresses (parts of process) which are inside the RAM is called __________.

a)

Principle of Locality

b)

Virtual Memory

c)

Virtual Address Space

d)

Translation Lookaside Buffer

36.

It says that at anytime a process will require only few pages in the memory.

a)

Principle of Locality

b)

Virtual Memory

c)

Virtual Address Space

d)

Translation Lookaside Buffer

37.

Which of the following are the advantages of virtual memory? (Select two.)

a)

Degree of multiprogramming is higher.

b)

Decrease the average memory access time.

c)

Decrease the effective memory access time.

d)

Execute even processes whose larger than the size of RAM.

38.

If page containing the byte w/c the CPU wants to access is not present inside the RAM, it is ___

a)

Page fault

b)

Page hit

c)

Page drop

d)

page gain

39.

It is the average time taken to access a byte or word from our computer.

a)

Average Memory Access Time

b)

RAM Access Time

c)

Hard disk Access Time

d)

Mode Memory Access Time

40.

It is a type of cache where few pages of the pagetable are being maintain.

a)

Translation Lookaside Buffer

b)

Random Access Memory

c)

Hard disk

d)

Register

41.
ROM Vs RAM: What is used to boot up the computer when it is switched on...
a)
RAM
b)
ROM
42.
RAM temporarily stores data you are working on and applications you have open
a)
True
b)
False
43.
Very fast memory that is built into the CPU. Blocks of memory copied here from RAM.
a)
RAM
b)
Flash Memory
c)
Cache Memory
d)
Virtual Memory3
44.
What does the acronym ROM stand for?
a)
Read Only Memory
b)
Random Option Memory
c)
Read Once Memory
d)
Random Operating Memory
45.
RAM & ROM are known as what kind of memory?
a)
Secondary storage
b)
Main memory
c)
Registers
d)
Flash memory
46.
What is the most durable?
a)
Magnetic Tape
b)
Solid State Drive
c)
Hard Drive
d)
CD
47.
Why do computers use binary to read data from memory?
a)
It's all they understand 
b)
It's quicker 
c)
Computers are made up of electronic switches 
d)
Computers only read 1's and 0's because it's all they can do
48.
What type of memory is accessed the quickest?
a)
Solid State Memory
b)
Magnetic Storage
c)
Blu-Ray
d)
CD/DVD
49.
Optical storage uses RAM to save it's data
a)
True
b)
False
50.
What type of memory is inside an iPhone?
a)
Magnetic Tape
b)
Solid State
c)
Optical

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