The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to
Options: the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun, infrared rays from the sun, ultraviolet rays from the sun, None of the above
Doubling the operating frequency of a purely inductive circuit:
Options: doubles the amount of current through the inductors, has no effect on the current through the inductors, cuts the current through the inductors one-half, increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
Options: (A)ignores the interrupt (B) always changes state of interrupted process after processing the interrupt (C) always resumes execution of interrupted process after processing the interrupt (D) may change state of interrupted process to blocked and schedule another process 21
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Options: Telex, Word processor, Facsimile, Electronic mail
Options: (A)It is concern with modification of existing system to meet changing requirements. (B) It is a process of converting system specifications into an executable system. (C) It analyzes and checks system representation such as the requirements document, design diagrams and program source code. (D) None of these 25
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.
Options: Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel, Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable, Baseband refers to local area networks, and broadband refers to wide area networks., Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Options: (A)Ability to input data directly into a computer system by speaking to it (B) Ability to output data directly from a computer system by speaking. (C) Processing of voice in computer systems (D) None of these | 9 10