Quiz 5.8

Data are said to be portable when:
1. they can be accessed by several different applications.
2. they are in auxilliary storage.
3. they are in an auxilliary storage medium that can be carried about easily.
4. they care being transferred form one machine to another.
A protocol is
1. a computing language
2. a computer that translates one computer language to another
3. a well written piece of code.
4. a set of rules and standards that enable computers to transfer data from one to another.
A de jure standard is one that arises
1. from a company that has a particularly large market share.
2. from agreements made in the industry.
3. from a protocol.
4. from the use of a particular programming language.
What is the language used on the Internet?
1. C++
2. Visual Basic
3. HTML
4. SQL
A URL (uniform resource locator) is another term used for:
1. an address of a web page
2. a web browser
3. a router
4. a gateway
The .co in a web address means that the organisation is MOST likely to be:
1. a company trading internationally
2. a charity
3. an information service.
4. a company trading in one country only.
A baseband link is one that:
1. carries lots of signals at the same time.
2. carries one bit (1 or 0) at a time very rapidly
3. carries one bit (1 or 0) at a time but rather slowly.
4. uses a very slow (9.6 k) modem.
Which one of these statements about the baud rate is true?
1. It is the number of bytes per second while the band rate is the number of bits per second
2. It is the number of bits per second while the band rate is the number of bytes per second
3. It's the number of bytes per second. The number of bits per second is eight times higher.
4. It's the number of bits per second. The number of bytes per second is eight times lower.
Which one of these is correct about Broadband?
1. It needs a modem. It can be transmitted through wires or by radio signals.
2. It needs no modem. It can be transmitted through wires or by radio signals.
3. It needs a modem. It can only be transmitted by radio signals.
4. It needs a modem. It can only be transmitted through wires.
Which one of these is true about parallel transmission of data.
1. A whole byte of data is sent at the same time. Each bit has its own cable. Parallel transmission has an unlimited distance.
2. A whole byte of data is sent at the same time. Each bit has its own cable. Parallel transmission is restricted to about 5 metres.
3. Only one bit is sent at a time. Only one wire is needed. Parallel transmission is restricted to about 5 metres.
4. Only one bit is sent at a time. Only one wire is needed. Parallel transmission has an unlimited distance.