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When your shell is waiting for input from the user, it should first print a prompt. The prompt should consist of the current working directory followed by the _>_ character. Here is an example of the prompt:
/home/ p r o j e c t s / cs200 / spring13 / s h e l l >
After a user performs a command, the prompt should be printed again on a new line. If the user changes the current working directory, your prompt should show the change. I would recommend using the printf() function from stdio.h for printing the prompt.
Why can CRC detect more errors than simple Checksum? There are two purposes a CRC can identify more errors than a simple Checksum. 1. Since an input bit is shifted by all th
What is a universal gate? Give examples. Realize the basic gates with any one universal gate. Ans: Universal Gates: NAND and NOR are termed as Universal gates. The OR, AN
How many lists can a program can produce? Every program can produce up to 21 lists: one basic list and 20 secondary lists. If the user makes a list on the next level (that is,
In 1960: The purpose of e-commerce was to exchange the electronic data. In 1970s: Electronic Fund Transfers or EFT was developed which considered as huge impact in the emerging
Explain about Bus of register transfer Since a computer has several registers, paths must be provided to transfer information among registors. If separate lines are used amon
Find out how many words can be formed out of the letters of the word DAUGHTER such that (i) The vowels are all time together. (ii) The vowels occupy even places. Ans:
Which interface converts SQL requirements in the SAP development system to those of the database? Database Interface converts SQL in the SAP.
Explain the uses of Keyboards An alphanumeric keyboard for a graphics system is used primarily as a device for entering text strings. Keyboards can also be provided with featur
Scenarios encapsulate the Vuser Groups and scripts to be implemented on load generators at run-time. Manual scenarios can deal out the total number of Vusers between scripts bas
What is WMFC? WMFC if the control signals that causes the processor's control circuitry to wait for the arrival of the MFC signal.
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