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Computer Memory and Storage Devices Grade 11

Total questions: 45

Worksheet time: 45mins

Name
Class
Date
1.

• It has less access time.

• It stores data temporarily.

• It is used for a computer’s cache memory.

The type of memory that has the given features is:

a)

dynamic random access memory.

b)

static random access memory.

c)

read only memory.

d)

flash memory.

2.

If one alphabet of English language occupies eight bits in memory, then the number of bytes that will be occupied by the word COMPUTER is

a)

8 bytes

b)

16 bytes

c)

32 bytes

d)

64 bytes

3.

When compared to static RAM, dynamic RAM is more

a)

expensive.

b)

fast.

c)

power consuming.

d)

volatile.

4.

1 Giga Byte (GB) of memory is equal to

a)

1024 MB

b)

1024 KB

c)

1000 MB

d)

1000 KB

5.

Which of the following is a valid statement about a DVD?

a)

It is a magnetic storage.

b)

It is an optical storage.

c)

It is a sequential storage.

d)

It is a temporary storage.

6.

Which of the following is a permanent storage?

a)

Buffer

b)

Cache

c)

Register

d)

ROM

7.

In comparison to RAM, ROM is

a)

more expensive and volatile.

b)

less expensive and volatile.

c)

less expensive and non-

volatile.

d)

more expensive and non-

volatile.

8.

A high speed memory that resides between the CPU and RAM in a computer system

to store data and instructions is called

a)

ROM

b)

Buffer

c)

Cache

d)

Secondary

9.

Which of the following is NOT considered as temporary storage?

a)

RAM

b)

Cache

c)

PROM

d)

Registers

10.

If one KiB represents 1024 bytes , then a Tebibyte has how many bytes? (210=1024)

a)

220 bytes

b)

230 bytes

c)

240 bytes

d)

250 bytes

11.

The memory of 640 KiB can store

a)

640,000 bytes.

b)

655,360 bytes.

c)

6048000 bytes.

d)

6024000 bytes.

12.

As compared to dynamic RAM (DRAM), the static RAM (SRAM)

a)

is faster

b)

is low-priced

c)

refreshes periodically

d)

requires less number of transistors.

13.

An example of sequential access memory device is

a)

hard disk.

b)

compact disc.

c)

flash memory.

d)

magnetic tape.

14.

Flash memory is a type of

a)

SRAM

b)

DRAM

c)

EPROM

d)

EEPROM

15.

The number of gibibyte in 102223394 kibibytes are

a)

97.488

b)

102.223

c)

102223

d)

99827.533

16.

The number of petabytes in 102223394 gigabytes are

a)

97.488

b)

102.223

c)

102223

d)

99827.533

17.

The number of bits in 2056 Kibibytes are

a)

205600000

b)

16448000

c)

2056000

d)

16842752

18.

Fatima purchased a CD which contains video files. She can copy video files from CD to her computer but she cannot copy anything back on the CD.

The type of CD she purchased is

I. CD-R

II. CD-RW

III. CD-ROM

a)

II only.

b)

III only.

c)

I and II.

d)

I and III.

19.

The CORRECT arrangement of optical discs in terms of their storage capacity is

a)

A

b)

B

c)

C

d)

D

20.

It is special type of PROM that allows the contents of PROM erased by exposing it to ultraviolet light.

a)

EEPROM

b)

PROM

c)

ROM

d)

EPROM

21.

It is special type of PROM that allows the contents of PROM erased by making use of electric signals instead of ultraviolet light.

a)

EEPROM

b)

PROM

c)

ROM

d)

EPROM

22.

These are manufactured as blank chips on which data/program can be written only once.

a)

EEPROM

b)

PROM

c)

RAM

d)

EPROM

23.

What is computer memory?

a)
  1. device used to store information in computer

b)
  1. device to print output to screen

c)
  1. device to process data

d)
  1. device to process data

24.

Which of these are not memory devices of a computer?

a)
  1. SSD

b)
  1. Cache

c)
  1. Screen

d)
  1. All of these

25.

PROM is provided blank to the programmer?

a)

True

b)
  1. False

26.

In non-volatile memory, data is erased once power is turned off?

a)

True

b)
  1. False

27.

Cache memory is made up of semiconductors?

a)

True

b)
  1. False

28.

Which of these is an expensive memory?

a)

SSD

b)
  1. Cache

c)

RAM

d)

Registers

29.

Which of these is an advantage of cache memory?

a)
  1. It is faster than main memory

b)
  1. It stores data for temporary use

c)
  1. It stores programs to be executed

d)
  1. All of these

30.

Which of the memory is having the highest capacity?

a)
  1. HDD

b)

SSD

c)
  1. Magnetic Tape

d)
  1. None of these

31.

_____ and _____ are closely attached to the CPU.

a)
  1. SSD and HDD

b)

CD and DVD

c)
  1. USB and Memory Card

d)
  1. Cache and Registers

32.

It is a ROM chip located on all motherboards that allows you to access and set up your computer system at the most basic level.

It includes instructions on how to load basic computer hardware and includes a test referred to as a POST (Power On Self-Test) that helps verify the computer meets requirements to boot up properly.

a)
  1. Bootstrap Loader

b)

BIOS

c)

CMOS setup

d)
  1. SD card

33.

It is a primary cache, is extremely fast but relatively small, and is usually embedded in the processor chip as CPU cache.

a)
  1. L1

b)

L2

c)

L3

34.

It is a specialized memory developed to improve the performance of other 2 caches and it is the largest cache.

a)
  1. L1

b)

L2

c)

L3

35.

It store data on flash memory chips, much like a smartphone, USB drive, or slimline tablet.

a)
  1. Optical Storage Device

b)

Magnetic Storage Device

c)

Solid State Drive

d)

Floppy

36.

Magnetic storage devices make spinning disc sounds.

a)
  1. True

b)

False

37.

Method used for hard disk, floppy disks and optical disks is:

a)
  1. Sequential Access

b)

Direct Access

38.

Writing and reading of data can happen at the same time.

a)
  1. CD-ROM

b)

CD-R

c)

DVD-RAM

d)

CD-RW

39.

It is capable of reading data dots that are positioned closer together on the disk surface.

As a result, more data dots can be stored and read.

a)
  1. CD

b)

DVD

c)

BD

40.

DVD stand for

a)
  1. Digital Versatile Disc

b)

Digital Video Disc

c)

Digital Visual Disc

d)

Digital Vision Disc

41.

CD stand for

a)
  1. Computer Disc

b)

Component Disc

c)

Compact Disk

d)

Collaborative Disc

42.

if one integer takes one nibble. How many bits will be there in three integers?

a)
  1. 6 bits

b)

8 bits

c)

12 bits

d)

4 bits

43.

25 MB contains how many bytes?

a)
  1. 25000

b)

2500000

c)

250000

d)

25000000

44.
ROM is _____ and RAM is __________?
a)
temporary; permanent
b)
larger; smaller
c)
smaller; larger 
d)
permanent; temporary 
45.

Which of these storage devices make use of optics (laser light) to store data? (Tick All)

a)

CD

b)

Fibre Optic Cable

c)

DVD

d)

Blue-Ray

e)

LED