Tick two storage devices
Identify two input devices which are used in computer control systems.
Computers can store data in the cloud rather than using storage devices in the computer.
Select three benefits of storing data in the cloud.
Select three drawbacks of storing data in the cloud.
When a ticket is produced for the new system it contains a QR code.
Here is an example of a QR code.
Select three benefits of using a QR code.
Discuss the advantages and disadvantages of using manual booking systems rather than online booking systems.
ADVANTAGES
1.
2.
DISADVANTAGES
3.
4.
Eye strain is one of the health issues associated with using computers.
Select three causes of eye strain when using computers.
Identify three methods of reducing the effects of eye strain.
Tawara Stores has realised that the number of people shopping for food online has increased over the past few years.
Discuss the advantages and disadvantages to the customer of shopping for food online
3. DISADVANTAGES
5.
6.
The Internet of Things (IoT) allows devices as well as computers to connect to the internet using a router. Each device uses an IP address
ALL THESE ARE THE DIFINATION OF ,IP address,.
All these explain how a router sends data packets to another network.
The network has a firewall.
Which of the following explain why a firewall is needed.
The World Wide Web is part of the internet.
Explain why the World Wide Web has become so popular
The protection of personal data is important as many transactions are carried out online
Which of the following explain how to avoid inappropriate disclosure of personal data.
In a college library if a book is not available students can reserve the book. When the book becomes available the librarian needs to inform the student. He does this by typing a letter and printing it. He has a database of students and has decided that in future he will use mail merge to produce the letters.
Select three advantages of using mail merge instead of typing out the letter each time
People can manage their banking transactions using the internet. However, if the internet signal is poor telephone banking can be used.
A person wishes to use telephone banking without speaking to an operator to transfer money from one bank account to another.
Which of these describe the steps needed to do this