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Question
(a) A GUI might contain text-fields, buttons, and other labels. A button frequently triggers an event on the GUI. Describe dissimilar processes in registering an event and handling the action performed by button in Java. (b) Write down code for a GUI which will allow a user to enter two numbers and then compute the product by clicking on a button. Result is able to be displayed in a text-field or as a label on the GUI.
(c) Examine purpose and use of the Java Adapter classes. Use suitable examples to support your answer.
A block of 200 7-bit ASCII characters (with 1-bit even parity) is to be transmitted over an RS 232 serial link. Calculate the number of bits transmitted and the efficiency of the link if the asynchronous link uses 2 stop bits. What is the efficien..
assume this system requires an extra 16 machine cycles to retrieve an operand from memory. It has to go to memory 30% of the time. What is the average number of machine cycles per instruction for this microprocessor, including its memory fetch ins..
However, is it possible that in many countries, taller organizational structures are preferred as they allow more checks and balances to be put in place, to inhibit public-sector corruption and other undesirable practices.
Which of these applications are well-suited for the minimalist Internet multicast service model? Why? Which applications are not particularly well-suited for this service model.
How would I write down a shell script to locate executable files? This script takes a list of file names from the command line and determines which would be executed had these names been given as commands.
Write down a seven-character string that contains more dashes than dots and is in the language. Show how you know that your reply is correct.
imagine that a homogeneous array with 6 rows and 8 columns, is stored in row major order starting at address 20 (base ten). If each entry in the array requires only one memory cell.
Suppose that a new type known as POINT has been described-- it is a structure consisting of the two fields, x and y, both of type double. Suppose two variables p1 and p2 of kind POINT have been declared.
Use the Internet resources in order to determine which domain name is available to company. Judge if you would use a .com, .org, or .net for the Web address.
How will you use control flow in computer programming to solve problems.
Write down a function that uses a switch statement to determine the number of the nearest cross street for a given address and avenue number according to the preceeding alogorithm. Then write a program to test your function.
Realize business and organizational data storage and fast access times are much more important than they have ever been. Compare and contrast magnetic tapes, magnetic disks, optical discs
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