"two stations communicate via a 1-mbps satellite link with a propagation delay of 279 ms. the satellite serves merely to transmit data received from on station to another, with negligible switching delay. using hdlc frames of 1024 bits with 3-bit sequence numbers, what is the maximum possible data throughput, that is, what is the amount of data bits transferred using hdlc frame per second?"

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.

Select the correct answer. sean is a computer programmer. he has programmed an application for toddlers that plays nursery rhymes. however, a logic error has occurred in the program. which problem is a likely consequence of the error? a. the program crashes every time the user wants to play the nursery rhymes. b. the program crosses its buffer boundaries and overwrites an adjacent program. c. the program plays a different nursery rhyme than the one the user intended to play. d. the program shows different structures in its programming language code. e. the program introduces new viruses every time the user plays a nursery rhyme.

What is a typeface? a. a collection of similar text b. a collection of similar fonts c. a collection of similar designs d. a collection of similar colors e. a collection of similar images