Which data communication protocol is a transmission code that supports a variety of link types and topologies?
a. Asynchronous protocol.
b. Binary synchronous protocol.
c. Synchronous Data Link Control (SDLC).
d. High-Level Data Link Control (HDLC).
Ans: c. Synchronous Data Link Control (SDLC).
Computer Science & Information Technology
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What is the name of a graphical representation of a file, application, or folder?
A) File B) Icon C) Bookmark D) Mouse
Computer Science & Information Technology
Which of the following statements are true?
a. Text I/O is built upon binary I/O to provide a level of abstraction for character encoding and decoding. b. Text I/O involves encoding and decoding. c. Binary I/O does not require conversions. d. Binary I/O is more efficient than text I/O, because binary I/O does not require encoding and decoding. e. Binary files are independent of the encoding scheme on the host machine and thus are portable.
Computer Science & Information Technology