1. Another term for POTS, or the Plain Old Telephone System, is _______________.
Answers
· Public Available Telephone Network
· Public Switched Telephone Exchange
· Phone Switched Transport Network
· Public Switched Telephone Network
· Public Available Telephone Exchange
Explanation: The word PSTN stands for the Public Switched Telephone Network. It's almost as if POTS went and acquired a cool new pseudonym!
2. A baud rate is a measurement of the number of ______________________.
Answers
· bits that can be sent across a telephone line every minute
· bytes that can be sent across a telephone line every second
· bits that can be sent across a telephone line every second
· bytes that can be sent across a telephone line every minute
Explanation: In a communication channel, the number of signal changes that occur per second is measured using a baud rate. It is often used with modems and serial connections, and it denotes the maximum rate at which data may be sent. That means it's kind of like the beating heart of data transport!
3. What system did Duke grads build that is still in use today?
Answers
· DSL
· USENET
· POTS
· PSTN
Explanation: Pioneers Disk Operating System (DOS), which later became Microsoft Disk Operating System (MS-DOS), was created by Duke University alumni. MS-DOS eventually formed the basis for all of Microsoft's operating systems, and its influence can still be observed today in various facets of contemporary Windows operating systems. Those Duke University graduates certainly made an indelible impression on the technology field.
4. Which device is used to transfer data across a dial-up connection?
Answers
· ATM
· Modem
· Ethernet cables
· USENET
Explanation: Data transmission via a dial-up connection is handled by a device known as a modem, which is an abbreviation for modulator-demodulator. It takes digital data from a computer and converts it into analog signals that can be sent over telephone lines. It then demodulates any analog signals that are received and converts them back into digital data. Although dial-up internet access may seem like a relic from the far past, modems were really quite important to our connectivity in the early days of the internet.
5. Modems take data that computers can understand and turn them into _____ that can be transmitted over POTS.
Answers
· Audible wavelengths
· Baud rates
· Modulating electrical charges
· PTSN
Explanation: For digital data to be transferred over POTS (Plain Old Telephone System) lines, it must first be converted by the modem into analog signals that computers can interpret. It acts similarly to a translator in that it facilitates computers' ability to speak with one another by using the language of conventional telephone networks.