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When the user is inputting commands into your shell, it should properly handle delete and backspace. When one of these characters is detected, you will need to remove one character from the screen. For this, you can simply print a "\b" character to the screen. This will act as the backspace. Remember also to remove the character from the buffer you are using to store the
input. Here are the byte values for the delete and backspace characters:
delete --> 127
backspace --> 8
When the user presses delete or backspace, it should remove a character from the screen. But, it should not remove any of the prompts. For example, if the console looks like the following after the user typed the character "a",
/home/ p r o j e c t s / cs200 / spring12 / s h e l l >a
then if the user presses the backspace twice, the console should still look like:
/home/ p r o j e c t s / cs200 / spring12 / s h e l l >
Notice that the prompt is still intact.
With the help of a suitable diagram, explain how do you convert a JK flipflop to T type flipflop. Ans. As here flip flop is JK flip flop and it is required to convert JK in T.
What is the benefit of Report Wizard over an Auto Report? It takes a little more work to make a report with the report wizard than with the Auto Report but you have a lot more
write algorithm and draw flowchart for exchange the values of two variables.
Sometimes it is nice to place layers in groups. It makes them simple to organize when you have lots of them. It also means you can simply apply the similar effect to lots of layers
Why address bus is unidirectional and data bus is bidirectional? Ans) Because there is no require address transaction among processor and peripheral device but data bus is req
Define a Gate Fix ASIC-based design in short. Gate Fix ASIC-based design: A Gate Fix implies that a select number of gates and their interconnections may be subtracted or ad
What is a Multiplexer Tree? Ans Multiplexer Tree: The largest available MUX IC is 16 to 1. Meeting the larger input requires there must be a provision to expand this. It
The most common type of non-volatile memory is the ROM device. This device is read only and the data is masked into the chip during manufacture. Variations of the ROM are one off p
Name the fundamental kinds of memory used in microprocessor systems There are three fundamental kinds of memory used in microprocessor systems - generallyknown asRAM, ROM, and
The hybrid models are mostly tailormade models suiting to exact applications. Actually these fall in the category of mixed models. Such type of application-oriented models keep cro
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