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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.
Q. Graphic symbol of S-R flip-flop? R-S Flip flop - Graphic symbol of S-R flip-flop is displayed in Fig below. It has 3 inputs S (set), R (reset) and C (for clock). Q(t+1) is
Program to transfer 10 byte of data from DMS to EMS using 8086 instructions
Q. Add Multiple Layout Cells ? Next you will add three layout cells below the logo cell you just created. Afterwards you will insert page's navigation buttons in these cells.
Discuss its advantages over the other evaluation techniques. The expression tree is determined by using a post-order traversal of the expression tree as given here: 1. If such
composition of two shm in right angles to each other to havingg time period in the ratio 1:2
What are the Data types of the ABAP/4 layer? Possible ABAP/4 data types: C: Character. D: Date, format YYYYMMDD. F: Floating-point number in DOUBLE PRECISION (8 bytes)
A Scanner is a device which allows you to capture photographs or drawings or text from tangible sources (paper or slides etc.) in electronic form. Scanners work by detecting differ
Write an algorithm for deadlock detection. An algorithm for deadlock detection: 1. Assume that Work and Finish be vectors of length m and n, correspondingly. Initialize:
SAP system configuration includes It includes :- a) Dialog tasks b) Update tasks.
Q. Example on hamming error correcting code? For illustration a 4-bit matching word can stand for 2 4 =16 values that range from 0 to 15 as: 0000, 0001, 0010, 0011, 0100, 01
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