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Q. What is Command Prompt Interface?
Operating System gives a text based interface called command prompt. With the help of command prompt commands can be issued to perform file and disk management and to run program. Results of these commands are shown to the user as text message.
C:\>-
The command prompt can be an alphabet followed by one back slash (\), one colon (:), one greater than sign (>) and one blinking element called cursor (_).
Where C: represents the Drive letter (Current Drive)
\ represents the current folder / Directory
> represents the prompt's end
_ blinking element represents the Cursor
Always a cursor position decides that the recent typed letter from the keyboard will appear on that position.
Q. Explain about Deadlock Avoidance? To prevent deadlocks two kinds of techniques are used: 1) Static prevention: It employs P and V operators in addition to Semaphores to
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Enumerate about the Specialised hardware Specialised hardware such as protected memory or cryptographic memory module for storing and protecting the keys proves to be a good s
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WHAT IS CPE
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Evaluate x = A ‾.B + C ( ) using the convention A = True and B = False. Ans. Simplify given expression x = A ‾ .B + C ( ) as = A ‾ B + C (A ‾ + D ‾ ) (As = A ‾ +D ‾ usin
Difference between the testing and verification. Verification proves conformance with a specification. Testing tries to find cases where the system does not meet its specifi
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Traf
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