These summaries provide a full, detailed, yet easy to engage with summary of the Grade 11 CAT Theory Textbook- Study Opportunities. Starting to study for your CAT exam can feel overwhelming! But, these summaries can certainly alleviate your stress; make the work-load more manageable; and ensure bet...
In the workplace /business ICT allows us to:
• Work wherever we have a computer & internet
• Communicate more effectively with both employees & customers
• Store & process more data
• Identify & adapt to change e.g. sales
• Perform tasks that are difficult/dangerous for humans to do
• Perform repetitive mechanical actions with consistent quality
• Empower individuals
• Do things more quickly & will less manpower
Negatives of ICT in workplace:
• Hard to have private time as can always be contacted for work related tasks
• Requires constant upgrading of skills, hardware & software
• Can result in large pools of staff being replaced by smaller pools of skilled ICT
workers
• May need to work longer hours
Jobs that use ICT:
• Fashion, game & web designers, engineers
• Doctors & healthcare professionals – to use new devices for patient care
• DJ’s & musicians
• Businesses use social media
• Photographers & movie makers
• Accountants – spreadsheets
The Computer
- Take input, process it & produce some form of output
- Computers are linked to other computers/devices so that they can communicate
- A powerful computer can in a specific time period process more data, execute more
instructions, fetch & store more data and run more programs than. Ales powerful
computer
- ‘powerful’ in computers describes a combination of factors including:
• Speed & performance of the CPU’s
• Amount & type of storage it has
• Size of memory
• Type of graphics card installed
SEE DIAGRAM ON PAGE 4
3
, Interesting facts:
- ‘desktop replacement’ laptops can have same storage/ processing power/memory as
a desktop but cost more
- Mobile devices are sold more than any other type of computing device
PORTABLE COMPUTERS
- Can be used for work & entertainment, surfing the web & communication
1. Laptops
= use miniaturized parts & have a lower power consumption so as to allow for
portable computing on battery power
- Have a hinged screen that fold up easily
- Have a keyboard & pointing device
- Portable computers are more expensive than desktops with the same specifications
Power settings
- portable devices can run on battery power
- most operating systems have power schemes/settings to allow you to control how your
computer manages power. These include; specifying that the computer should
sleep/hibernate when it is not being used for a period of time, set screen brightness to
conserve power, choose a balance between power consumption & performance.
- in sleep mode: computer cuts power to almost all components using just enough to hold
contents of RAM & to detect when you want it to wake up.
- hibernates it saves RAM to hard drive & then switches itself off completely.
2. Tablets
- Portable computer with a touch or pen sensitive screen
- Good for quick, small scale computing
- Use special operating systems & have a long battery life & wireless and cellular data
connectivity.
Hybrid laptops/tablets
- Touch screens in laptops, has a hinge – picture on page 5
- More powerful than conventional tablets
- Run a full desktop operating system
- Weigh more, shorter battery life & don’t contain built-in cellular communication
Interesting fact:
Phablet= smartphone with screen sizes bigger than 5”- bigger screen than tablet & can
make phone calls
3. Smartphones
- Perfect example of digital convergence
- Most have no physical keyboard
- All have: an operating system (Google Android and iOS), large, colorful screens, built
in data modem, GPS for navigation, one or two cameras, WIFI, speakers & a
microphone
Interesting fact:
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller jessicagoldblatt. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R150,00. You're not tied to anything after your purchase.
