Role of Communication Systems
AS Level
Which one of the following statements is true about the World Wide Web?
- It is owned and operated by a large American Corporation.
- Historically it was used to connect US military computers.
- It grew from the need to share data from hugely expensive particle physics experiments.
- It is only accessible by computers of large organisations such as companies and universities.
When you prepare web pages, you have to convert them into a special language. This is called:
- Visual Basic
- Hypertext Mark-up Language
- Pascal
- Visual C++
Which one of the following is NOT a use of the internet?
- Downloading freeware.
- Making a purchase from an on-line store
- Transmitting a virus.
- Scanning a computer for threats from viruses.
One educational advantage of the internet for a student is:
- On-line purchases can be made.
- The student can join a chatroom, for example fellow supporter of a football team.
- It contains a vast library of information from which the student can do research.
- The student can send and receive e-mails.
What items (other than a computer system) do you need to access the Internet?
- A modem only
- A modem and an ISP (Internet Service Provider)
- A printer and an ISP
- A modem and a printer.
Many internet users now use broadband. Which one of the following statements is true about broadband.
- It is very much faster than a normal 56 k modem.
- It can only be used with special connections to the computer.
- It requires a fibre-optic cable to the computer.
- It can only be obtained with a premium rate phone line.
A pop-up is:
- A small computer program that is used to correct a fault in an existing program.
- A new function that is added to an existing program.
- A little animated character that appears as an assistant on a program.
- An advertisment that appears on a web-page without any warning.
A plug-in is:
- A small computer program that is used to correct a fault in an existing program.
- A new function that is added to an existing program.
- A component that is added to the motherboard of a computer.
- A setting that can be changed to customise the performance of a program.
Which one of the following is an advantage of e-mail over posting a letter (snail mail)?
- It can be transmitted instantly it has been written and is always read instantly by the recipient.
- It can be used to send an attached document.
- It can be used to send electronic advertising material to lots of recipients.
- It can be transmitted instantly it has been written and costs much less than the equivalent letter to send.
Which one of the following statements about Video Conferencing is true?
- Only peoples' faces can be shown. There can be no sharing of documents.
- Employees have to travel to a special facility to have a video conference.
- The employees can remain in their offices and avilable for others. Documents can be shared.
- Presentations are made on video tape which are duplicated and shared about the participants of the conference.