Ch4 4: Data Storage and Sharing

Ch4 4: Data Storage and Sharing

12th Grade

11 Qs

quiz-placeholder

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Ch4 4: Data Storage and Sharing

Ch4 4: Data Storage and Sharing

Assessment

Quiz

Computers

12th Grade

Hard

Created by

Tammi Ramsey

Used 2+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which kind of device stores data in patterns of magnetic polarity?

DVD

CD

USB flash drive

HDD

Answer explanation

A HDD (Hard disk drive) uses magnetic polarity to store data. DVD & CD are both optical, and a USB flash drive is a solid state.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit of measurement describes approximately one trillion bytes of storage?

Terabyte

Gigabyte

Megabyte

Kilobye

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not an optical disc?

DVD

SSD

BD-R

CD-RW

Answer explanation

SSD stands for solid-state drive. All the others listed are opitcal discs.

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

How can a single DVD hold more than 4.7 GB of data? (Choose all that apply)

Multiple actuator arms

Multiple sides

Multiple layers

High-density recording

Answer explanation

A DVD can have multiple sides and multiple layers. Optical drives do not have actuator arms. DVDs cannot have higher-density recordings than the standard for DVDs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of optical disc is rewriteable multiple times?

DVD-ROM

BD

CD-RW

BD-R

Answer explanation

Rewritable discs end in RW or RE. Discs that are not writeable end in ROM. Discs that are writeable only once end in R.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which kind of drive reads CompactFlash storage?

USB flash drive

Card reader

HDD

SSD

Answer explanation

A card reader reads from a variety of flash memory cards, including CompactFlash. All other drive types listed contain their own storage and do not accept cards.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not a benefit of SSD over HDD?

Quieter

Use less power

Faster

Less expensive

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