Summary
Summary Grade 11 Computer Applications Technology Theory Examination Notes
- Course
- Institution
- Book
A comprehensive set of notes covering all the theory content covered throughout the grade 11 year.
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
It’s All About ICT Summery, Grade 11 CAT section 1.1, IEB Syllabus
1 review
By: adisheshanandkoomar1 • 1 year ago
Seller
Follow
abigaildk
Reviews received
Content preview
ð CAT EXAMNOTES
ð Theory Notes
1
,Table of contents
Table of contents ........................................................................................................................................................ 2
Module 1.1 – It’s all about ICT ..................................................................................................................................... 7
The Role Of ICT In The Workplace ................................................................................................................................... 7
Why Cat Is A Useful Subject?........................................................................................................................................... 7
The Computer.................................................................................................................................................................. 7
Portable computers ................................................................................................................................................... 8
Laptops ................................................................................................................................................................ 8
Tablets ................................................................................................................................................................. 8
Hybrid Laptops or Hybrid Tablets ........................................................................................................................ 9
Smartphones ........................................................................................................................................................ 9
Servers and Clients .................................................................................................................................................... 9
Dedicated Devices................................................................................................................................................ 9
Computers ........................................................................................................................................................... 9
Protecting Your Information ......................................................................................................................................... 10
Hardware and Theft Protection ............................................................................................................................... 10
Uninterruptable Power Supply ................................................................................................................................ 10
Module 1.2 – Input and output.................................................................................................................................. 11
Input .............................................................................................................................................................................. 11
Image Capture ......................................................................................................................................................... 11
Digital Cameras .................................................................................................................................................. 11
Compact cameras vs DSLR cameras ............................................................................................................. 11
Advantages of Digital Cameras ..................................................................................................................... 11
Disadvantages or Limitations of Digital Cameras ......................................................................................... 11
Specifications that Determine Quality ......................................................................................................... 11
Scanners ............................................................................................................................................................. 12
Quality of the Scanned Image ...................................................................................................................... 12
Advantages of Scanners ............................................................................................................................... 12
Disadvantages and Limitations of Scanners ................................................................................................. 12
Biometric Input ........................................................................................................................................................ 13
Advantages ........................................................................................................................................................ 13
Disadvantages and Limitations .......................................................................................................................... 13
Input at ATMs .......................................................................................................................................................... 13
ATM Thievery ..................................................................................................................................................... 13
Advantages of ATMs .......................................................................................................................................... 14
Disadvantages of ATMs ...................................................................................................................................... 14
Input into POS Systems ........................................................................................................................................... 14
How does it work? ............................................................................................................................................. 14
Advantages ........................................................................................................................................................ 14
Disadvantages .................................................................................................................................................... 14
Touch Screens as Input Devices............................................................................................................................... 14
Advantages ........................................................................................................................................................ 14
Disadvantages and Limitations .......................................................................................................................... 15
Data Collection Devices ........................................................................................................................................... 15
Advantages ........................................................................................................................................................ 15
Disadvantages and Limitations .......................................................................................................................... 15
Input into Smartphones and Consumer Tablets ...................................................................................................... 15
Alternative Keyboards ............................................................................................................................................. 15
Wireless Technology in Input Devices ..................................................................................................................... 16
Output ........................................................................................................................................................................... 16
Display Devices ........................................................................................................................................................ 16
Advantages ........................................................................................................................................................ 16
Disadvantages and Limitations .......................................................................................................................... 16
Types of Output ....................................................................................................................................................... 16
2
, Visual Output ..................................................................................................................................................... 16
Sound Output..................................................................................................................................................... 17
Touch Output ..................................................................................................................................................... 17
Other Output ..................................................................................................................................................... 17
Specifications that Determine Quality .................................................................................................................... 17
Screen size ......................................................................................................................................................... 17
Resolution .......................................................................................................................................................... 17
Contrast Ratio .................................................................................................................................................... 17
Aspect Ratio ....................................................................................................................................................... 17
Response Time ................................................................................................................................................... 17
Lumens for Data Projectors ............................................................................................................................... 17
DVI and HDMI .................................................................................................................................................... 18
Other Features ................................................................................................................................................... 18
Printers .................................................................................................................................................................... 18
Laser Printers and Inkjet Printers ....................................................................................................................... 18
Speed ................................................................................................................................................................. 18
Resolution .......................................................................................................................................................... 18
Monthly Duty Cycle............................................................................................................................................ 18
Number of Colours............................................................................................................................................. 18
Paper Options .................................................................................................................................................... 18
Connections ....................................................................................................................................................... 19
3D Printers ............................................................................................................................................................... 19
Wireless Technology in Output Devices .................................................................................................................. 19
Interactive Whiteboards ............................................................................................................................................... 19
Advantages .............................................................................................................................................................. 19
Disadvantages and Limitations ................................................................................................................................ 20
What Makes it all Work? .............................................................................................................................................. 20
Drivers ..................................................................................................................................................................... 20
Plug-and-play ........................................................................................................................................................... 20
Input and Output for Physically Challenged Users ........................................................................................................ 20
Visually Impaired or Blind ........................................................................................................................................ 20
Hearing Impaired or Deaf ........................................................................................................................................ 20
Motor Control (paralyzed, arthritic, poor motor control) ....................................................................................... 20
Input and Output and Health Issues.............................................................................................................................. 21
Module 1.3 – Storage, processing and memory ......................................................................................................... 22
Memory and storage..................................................................................................................................................... 22
Memory ................................................................................................................................................................... 22
Storage .................................................................................................................................................................... 22
Memory vs Storage ................................................................................................................................................. 22
Interpreting Advertisements ................................................................................................................................... 22
Online Storage ......................................................................................................................................................... 23
Advantages of online storage ............................................................................................................................ 23
Disadvantages of online storage ........................................................................................................................ 23
Difference between online storage and cloud computing ................................................................................ 23
Backing up ............................................................................................................................................................... 23
How to write CDs and DVDs ............................................................................................................................... 24
Difference between archives and back-ups ....................................................................................................... 24
Archives ........................................................................................................................................................ 24
Backing up .................................................................................................................................................... 24
Basic troubleshooting .............................................................................................................................................. 24
Managing back-ups ............................................................................................................................................ 24
Problems with CDs and DVDs ............................................................................................................................ 24
Formatting and reformatting ............................................................................................................................. 25
Disc scanning...................................................................................................................................................... 25
Disc defragmentation ........................................................................................................................................ 25
Disc running out of space................................................................................................................................... 25
3
, Processing ..................................................................................................................................................................... 26
Motherboard ........................................................................................................................................................... 26
CPU .......................................................................................................................................................................... 26
RAM ......................................................................................................................................................................... 26
ROM......................................................................................................................................................................... 26
How the computer starts up .............................................................................................................................. 26
Module 1.4 – Software .............................................................................................................................................. 27
Application software ..................................................................................................................................................... 27
Multimedia software ............................................................................................................................................... 27
Communications software ...................................................................................................................................... 27
Compatibility issues ...................................................................................................................................................... 27
Software versions and subscription ........................................................................................................................ 27
Software bugs ............................................................................................................................................................... 28
Updating your software ................................................................................................................................................ 28
Service packs vs updates ......................................................................................................................................... 28
Online software ............................................................................................................................................................. 29
Advantages of online software ................................................................................................................................ 29
Disadvantages of online software ........................................................................................................................... 29
Example: Google Docs ....................................................................................................................................... 29
Exploring web applications – blogs .................................................................................................................... 29
Good practices when blogging ..................................................................................................................... 29
Advantages of blogging ................................................................................................................................ 30
Disadvantages of Blogging............................................................................................................................ 30
Software for physically challenged users ...................................................................................................................... 30
Module 1.5 – Computer Management ....................................................................................................................... 31
System requirements .................................................................................................................................................... 31
Software installation ..................................................................................................................................................... 31
How to install software ........................................................................................................................................... 31
Online downloads with installers ....................................................................................................................... 31
Online downloads without installers ................................................................................................................. 31
Physical media (portable storage media) .......................................................................................................... 32
Steps when installing software................................................................................................................................ 32
Uninstalling software............................................................................................................................................... 33
Managing files .............................................................................................................................................................. 33
Finding files in Windows .......................................................................................................................................... 33
The search feature in Windows/File Explorer .................................................................................................... 33
Windows search ................................................................................................................................................. 33
Other ways to manage files ............................................................................................................................... 33
Determine what kind of data the file contains ............................................................................................. 33
Convert files between different types .......................................................................................................... 34
View or add extra information about a file .................................................................................................. 34
Hide a file so that it cannot be found and accidentally deleted or changed ................................................ 34
Prevent the contents of a file from being changed ...................................................................................... 34
Dealing with hardware failure ...................................................................................................................................... 34
Module 1.6 – The dark side of computing .................................................................................................................. 36
Human and social aspects ............................................................................................................................................. 36
Information accuracy............................................................................................................................................... 36
Data protection ....................................................................................................................................................... 36
Control access to physical data .......................................................................................................................... 36
Control access to computers ............................................................................................................................. 36
Limit and control use of portable storage ......................................................................................................... 36
The criminal side of things ............................................................................................................................................ 37
4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller abigaildk. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.82. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now