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computer memory and storage

Total questions: 52

Worksheet time: 29mins

Name
Class
Date
1.

Computer memory are of two types :

a)

Hard disk and Flash drive

b)

Hard Disk and Memory Card

c)

RAM and ROM

d)

Internal memory and External memory

2.

RAM stands for:

a)

Random Accept Memory

b)

Random Access Memory

c)

Read Only Memory

3.

Data and instructions stored in this Internal memory is lost when computer is turned off

a)

ROM

b)

RAM

c)

USB

d)

Hard disk

4.

This internal memory holds start up instructions that prepare the computer for use and check proper working of computer parts.

a)

RAM

b)

Flash Drive

c)

ROM

d)

Memory Card

5.

The internal memory that can be constantly overwritten like a blackboard.It holds currently running programs.

a)

ROM

b)

RAM

c)

CD

d)

Blu Ray Disk

6.

The main storage medium for computers

a)

RAM

b)

Flash Drive

c)

Hard disk

d)

Memory Card

7.

A storage medium for portable devices like digital cameras, mobiles.

a)

Memory card

b)

USB

c)

CD

d)

Hard Disk

8.

An optical storage device that is used to record high quality video and sound.It can store data 6 times more than a CD

a)

Blu Ray Disk

b)

CD

c)

DVD

d)

Flash Drive

9.

Most popular backup device.Small, lightweight plug and play device used to copy data from one computer to another

a)

DVD

b)

Hard disk

c)

CD

d)

Flash drive

10.
ROM stands for...
a)
Read Optical Memory
b)
Random Only Memory
c)
Read Only Memory
d)
Random Optical Memory
11.
RAM stands for ...
a)
Read Access Memory
b)
Random Application Memory
c)
Read Application Memory
d)
Random Access Memory
12.
A computer has 1024 megabytes of RAM. That is the same as ...
a)
1 Gb
b)
1000 Gb
c)
1 Kb
d)
1 Tb
13.
The characteristics of RAM are it is .....
a)
Permanent, non-volatile, not expandable and you can't write to it
b)
Temporary, volatile, expandable and you can write to it.
14.
A ______ is the main storage device in your computer.
a)
CPU
b)
Hard drive
c)
Motherboard
d)
CD-Rom
15.
Optical device, fairly fragile, easy to snap or scratch.
a)
Flash memory
b)
Magnetic Tape
c)
CD
d)
Hard disk
16.

Very portable and robust as it is designed to be fitted into small electronic devices.

a)

Flash memory

b)

Hard disk drive

c)

Magnetic tape

d)

CD

17.

Typically has the largest storage capacity and is the cheapest per Gigabyte.

a)

Magnetic storage

b)

Solid state storage

c)

Optical storage

18.

What is the correct order of storage capacity in ascending order?

a)

Byte, Bit, Megabyte, Kilobyte, Gigabyte

b)

Bit, Byte, Kilobyte, Megabyte, Gigabyte

c)

Megabyte, Byte, Gigabyte, Bit, Kilobyte

d)

Bit, Megabyte, Byte, Gigabyte, Kilobyte

19.
What is this a microscopic picture of?
a)
Memory Stick 
b)
CD
c)
Magnetic Tape
d)
SD Card 
20.
Memory Sticks are Volatile 
a)
True
b)
False
21.
DVD stands for
a)
Digital Versatile Disc
b)
Digital Video Disc
c)
Digitised Video Disc 
d)
Digital Virtual Drive 
22.
Optical storage uses RAM to save it's data
a)
True
b)
False
23.

What is the average latency of DRAM for current Computer systems?

a)

10 nanoseconds

b)

100 nanoseconds

c)

1000 nanoseconds

d)

10,000 nanoseconds

24.

For SRAM and DRAM which is Cheapest byte for byte?

a)

SRAM

b)

DRAM

25.

which of theses are advantages of Solid State Memory storage over Magnetic or Optical storage?

a)

No moving parts, less can go wrong.

b)

Faster to read and write to.

c)

Cheaper than Magnetic or Optical devices, byte for byte.

d)

Data stored on SS memory will last forever

26.

What is the biggest

a)

Terrabyte

b)

Petabyte

27.

Give examples of storage devices and media

a)

CD,DVD, Blu-ray

b)

USB

c)

Memory cards

d)

All of the above

28.

consists of electronic components that store instructions waiting to be executed and the data needed by those instructions.

a)

Memory

b)

Storage Device

c)

Memory Cards

29.

A computer keeps data, instructions, and information on this.

a)

Solid-State Drives

b)

External Hard Drive

c)

Storage Media

30.

records (writes) and/or retrieves (reads) items to and from storage media.

a)

Cloud Storage

b)

USB

c)

Storage Device

31.

a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information.

a)

Flashdrive

b)

DVD

c)

Hard Disks

32.

a portable flash memory storage device that you plug in a USB port, which is a special, easily accessible opening on a computer or mobile device.

a)

Mouse

b)

USB Flash Drives

c)

IPhone

33.

a type of storage media that consists of a flat, round, portable metal disc made of metal, plastic, and lacquer that is written and read by a laser.

a)

Optical Discs

b)

Hard Disks

c)

Hard Drive

34.
Which one of these devices is optical?
a)
CD
b)
SSD
c)
USB flash drive
d)
Magnetic stripe
35.
If you use online storage and your internet goes down, the data is permanently lost
a)
False
b)
True
36.

Which of these components are included in a Optical Disk Drive?

a)

Motor

b)

Platter

c)

Read-write head

d)

ALU

e)

Laser

37.

Which of these components are included in a Hard Disk Drive?

a)

Motor

b)

Platter

c)

Read-write head

d)

ALU

e)

Laser

38.

Binary data on Hard Disk Drives is represented using...

a)

Magnetic charges

b)

Physical pits and lands

c)

Electrical current

d)

Lasers

39.

Binary data on Optical discs is represented using...

a)

Magnetic charges

b)

Physical pits and lands

c)

Electrical current

d)

Lasers

40.

What Is The Cache?

a)

Extremely fast but small amount of memory

b)

Slow memory but stores large amounts

c)

A device that uses tape to store data

d)

Where the computer start up instructions are stored

41.

What is Blu-Ray used for?

a)

Save data for later use

b)

Backing up whole computer systems

c)

Storing Films, Games

d)

To store data and programs in current use by the computer

42.

THE STORAGE CAPACITY OF A DVD VARIES FROM _______ TO _______

a)

4.2 GB TO 16 GB

b)

4.1 GB TO 17 GB

c)

4.7 GB TO 17.1 GB

43.

A CD CAN STORE UP TO ______ OF DATA AND IS _____ IN DIAMETER.

a)

500 MB, 56 INCHES

b)

700 MB, 47 INCHES

c)

300 MB, 54 INCHES

44.

Portable, inexpensive storage medium (also called diskette)

a)

CD-ROM

b)

DVD- ROM

c)

Floppy disk

d)

Hard disk

45.
one of the disks in a hard drive
a)
spindle
b)
actuator
c)
track
d)
platter
46.
Amount of time it takes storage devices to begin reading data
a)
process time
b)
access time
c)
print time
d)
idel time
47.
recording of a "0" on a disk
a)
pit
b)
land
c)
zero
d)
one
48.
recording of a "1" on a disk
a)
land
b)
pit
c)
zero
d)
one
49.
needle-like part of the HD that writes and reads data from the platter
a)
actuator
b)
spindle
c)
read/write head
d)
cable
50.
optical disks are read with a
a)
glass
b)
heater
c)
fuser
d)
laser
51.
number of bits per second at which data is moved from a storage device to RAM
a)
rom
b)
data transfer rate
c)
read
d)
BIOS
52.

Campus ID

4 lines

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