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Computer Science - Networking

Exercise : Networking - Section 6
21.
Sending a file from your personal computer's primary memory or disk to another computer is called
uploading
downloading
logging on
hang on
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
Telemeeting
Telemailing
Teleconferencing
Teletalking
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
What frequency range is used for microwave communications, satellite and radar?
Low Frequency : 30 kHz to 300 kHz
Medium Frequency : 300 kHz to 3 MHz
Super High Frequency : 3000 MHz to 30000 MHz
Extremely High Frequency :30,000 MHz
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following statements is incorrect?
The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission
Half-duplex line is a communication line in which data can move in two directions, but not at the same time.
Teleprocessing combines telecommunications and DP techniques in online activities.
Batch processing is the preferred processing mode for telecommunication operations
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
If the ASCII character H is sent and the character I is received, what type of error is this?
single-bit
multiple-bit
burst
recoverable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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