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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 the Structured Design of system? Structured Design utilizes graphic description (Output of system analysis) and focuses on development of software specifications.
Calculate the blocking probably Pb in 100 line strowger switching system where 10 calls are in progress and 11th one arrives, probably that there is a call in a given decade = 1/10
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Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
Multiple valued logics: Multiple valued logics, where altered types of truth value such as "unknown" are may be allowed. These have some of the particular advantages of fuzzy
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The Boolean expression A‾.B + A.B‾ + A.B is equivalent to ? Ans. The Boolean expression A‾ .B + A. B‾+ A.B is equivalent to A + B (A‾ .B + A. B‾+ A.B = B( A‾ + A) + A. B‾ =
Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
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