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Chapter 3-1

Chapter 3-1

Assessment

Presentation

Computers

7th Grade

Medium

Created by

Courtney Rae Gosdin

Used 7+ times

FREE Resource

6 Slides • 8 Questions

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Chapter 3-1

Understanding Computer Storage​

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media
  • explain the need for storage devices for computers

  • distinguish between memory and storage

  • distinguish between storage devices and media​

Objectives

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​Computer Storage Devices

  • storage devices - the computer's hardware components that retain data even after the power is turned off

  • without storage devices, you would have to re-create all of your work every time you wanted to use it

  • file - a collection of related information which has been given a unique name

  • Basic Input/Output System (BIOS) - a set of programs that tells the computer equipment how to start up​

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4

Memory and Storage

  • memory - a set of chips that acts as a temporary workspace in the computer

  • Random Access Memory (RAM)

    • temporary storage

    • if the computer loses power, RAM's contents are lost

    • holds data and programs while they are being used

  • Read Only Memory (ROM)

    • permanent storage​

    • stores its contents, even when the computer is off

    • stores instructions that are needed only by the computer

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5

Memory and Storage

Storage versus Memory

  • the two work differently

    • RAM uses chips to temporarily store information

    • ​Storage uses different methods to store data permanently

  • A PC has more storage capacity than memory​

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Storage Media & Devices

Storage Media

  • an object that physically holds data or program instructions

  • examples: floppy disks, magnetic tapes, compact disks,

Storage​ Devices

  • a piece of hardware that holds the storage media, sends data to the media, and retrieves data from the media

  • examples: floppy disk drives, hard drives, CD-ROM/DVD drives​

media

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Multiple Choice

stores its contents permanently, even when the computer is turned off

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Random Access Memory (RAM)

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Read Only Memory (ROM)

8

Multiple Choice

if the computer loses power, its contents are lost

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Random Access Memory (RAM)

2

Read Only Memory (ROM)

9

Multiple Choice

holds data and programs while they are being used

1

Random Access Memory (RAM)

2

Read Only Memory (ROM)

10

Multiple Choice

stores instructions that are only needed by the computer

1

Random Access Memory (RAM)

2

Read Only Memory (ROM)

11

Multiple Choice

an object that physically holds data or program instructions

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storage media

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storage device

12

Multiple Choice

examples include floppy disks, magnetic tapes, and compact disks

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storage media

2

storage device

13

Multiple Choice

hardware that holds the storage media

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storage media

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storage device

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Multiple Choice

examples include floppy disk drive, hard drive, CD/DVD drive

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storage media

2

storage device

Chapter 3-1

Understanding Computer Storage​

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