Computer Storage

Question 1

Computer storage-HDD

Answer 1

HDD is a storage device that uses magnetic storage to store and retrieve digital information

-these are permanent data, data that doesn’t get wiped when PC is turned off

Question 2

Computer storage- SSD

Answer 2

SSD devices are made up of solid components that do not move

• so no movable parts mean less power consumption
• they have improved data transfer rates compared to HDD

Question 3

Computer storage ODD

Answer 3

And ODD uses a laser light to read data from an optical disc

-they also write data and optical discs
Examples include CDs DVDs

Question 4

Computer storage flash drive

Answer 4

A non-volatile device means is the type of memory that does not get wiped after PC turns off therefore it’s permanent data

Examples of flash memory devices: USB pen, memory cards for cameras, mobile phones

An advantage is that flash memory offers very fast access to data and programs

Question 5

Computer storage cloud storage

Answer 5

Cloud storage is a service where all the data and files can be stored remotely in the cloud therefore it does not consume internal data off a device

Advantages include double: 24/7 access, they are much securely stored, they are scalable meaning storage size can be upgraded and they reduce hardware costs

Disadvantages include double: it requires a good Internet connection to function
-data may not be fully secure as the cloud storage system is owned by a third-party company

Question 6

Computer storage -internal

Answer 6

This is the type of storage that is within a device
-can be scalable
Could be HDD or SSD

Question 7

Computer storage- removable

Answer 7

This type of storage device can be removed from a device

Examples include: CDs, memory cards, memory discs, external hard discs

Question 8

Computer storage- SCSI

Answer 8

It’s a device that allows the computer to computer to communicate with peripherals (outside hardware) such as printers scanners

-Limited speed and cable length

Question 9

Computer storage- SAS

Answer 9

This is a method of moving data from one device to another

Ideal solution for businesses with a little storage and back ups

Question 10

Computer storage portable

Answer 10

A portable storage device in a small HDD designed to hold any kind of digital data

There are different variations Of storage 250 GB/500 GB