Options: consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen., is used for interactive Graphics, is expensive because it is sophisticated and make demands on the power and resources of the computer., All of the above
The approach used in top-down analysis and design is
Options: to identify the top level functions by combining many smaller components into a single entity, to prepare flow charts after programming has been completed, to identify a top level function an d then create a hierarchy of lower-level modules and components., All of the above
What are the distinct functions of layer 2 switching that increase available bandwidth on the network? Address learning Routing Forwarding and filtering Creating network loops Loop avoidance IP addressing
Options: Â A Paging
B. Â A Process
C. Â A virtual memory
D. Â A Demand Page
Ans: – B
System prototyping helps the designer in
Options: making the programmers understand how the system will function., communicating to the user, quickly, how the system, when developed, will look like and get a feedback., giving a demo of the software, to the system manager to whom he reports, both (a) and (b)
Options: a. Means do not change the value in the primary key field if that record has related records in another table
b. Means change all the related records in child tables if the record in parent table is changed
c. Both of above
d. None of above
In laser printer technology, what happens during the conditioning stage?
Options: The corona wire places a uniform positive charge on the paper, A uniform negative charge is placed on the photosensitive drum, A uniform negative charge is placed on the toner, All of the above
Which of the following is not true about documentation?
Options: Documentation, of a system, should be as clear and direct as possible, Documentation increases the maintenance time and cost, Documentation gives better understanding of the problem, All of the above
Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.