Module 1.3 - Storage memory, processing

Question 1

Memory

Answer 1

• Holds data volatiley
• Is connected by DIMMs on the motherboard
• DIMM( dual inline memory modules)
• Measured in low gigabyte range (1-64 GB)

Question 2

Storage

Answer 2

• Non-volatile
• Accessing data stored in storage takes longer
• Measured in gigabytes and terabytes (1024 gb = 1tb)
• Data is stored in files (files stored in folders)
• Storage devices are either magnetic (HDD) or electronic (SSD)

Question 3

Online storage

Answer 3

• Disk space allocated to you on an internet server
• Company providing that storage takes responsibility for updates and backups
• Its free but the company hopes youll like it enought o pay for more/premium

Question 4

Advantages of online storage

Answer 4

• Easy to share
• Accessible anywhere with internet
• All changes are saved in the same place so all devices will have the latest version of datai

Question 5

Disadvantages of online storage

Answer 5

• Data cannot be accessed without an internet connection
• If storage provider shuts down, then you data will be lost
• Large files may take long to open or may be unusable

Question 6

Difference between cloud computing and online storage

Answer 6

• Online storage is saving your data on server thats on the internet
• Cloud computing is using your web browser to access programs that run on a server on the internet

Question 7

Backing up

Answer 7

• Making a copy of data in case something happens to the original
• Backing up must be quick and easy otherwise people will put it off
• Must be in a different location from the original
• Can be done on a flash drive, online, hard drive, or CD/DVD
• If there isnt enough space on HDD for backup, you can use software that compresses data and compares whats in the backup to whats in the storage

Question 8

Archiving

Answer 8

• Making a copy of something that is not meant to be accessed regularly, only when needed

Question 9

CD and DVD

Answer 9

• If CD cant write, try wiping with damp cloth or use lense cleaner
• CD capacity: 700MB
• DVD capacity: 4.7GB

Question 10

Trouble writing a CD or DVD

Answer 10

• Try writing at a slower speed
• Do not use the device for anything else while it’s writing
• Make sure CD/DVD has enough space

Question 11

Formatting

Answer 11

• Preparing a disk to store data

Question 12

Disk scanning

Answer 12

• A software utility that scans your driver for errors and your disk for bad sectors and tries to fix them

Question 13

Disk scanning

Answer 13

• A software utility that scans your driver for errors and your disk for bad sectors and tries to fix them

Question 14

Disk filling up

Answer 14

If disk is too full use disk cleanup to:
* Remove temporary files downloaded from the internet
* Programs that are never/rarely used
* Temporary files from Windows
* Deleted files from recycling bin

Question 15

Processing

Answer 15

• Motherboard: large circuit board that all components plug into to communicate
• CPU: Processor measured in GHz. Dual core, quad core(refer to how many CPUs are plugged in). If theres more than 1 then they split the processing
• RAM: Gives CPU instructions, gets instructions from storage
• ROM: Holds instructions for basic start up of computer. During booting, instructions are sent to CPU