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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.
The NOR gate output will be low if the two inputs are ? Ans. Output is low if any of the input is high means input may be 01,10 or 11.
Convert (177.25) 10 to octal Ans. 177.25) 10 = ( ) 8 Firstly we take integer part Hence (177) 10 = (261) 8 Now as 0.25 x 8 = 2.00 and 0.00 x 8 = 0 Therefor
What is page fault? Its types? Page fault refers to the situation of not having a page in the major memory when any process references it. There are two kinds of page fault :
What is DMA operations? State its advantages. In order to transfer bulk amount of data among memory and I/O device without involvement of CPU, the Direct Memory Access metho
What is meant by context switch? Switching the CPU to another process requires saving the state of the old process and loading the saved state for the new process. This task i
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Q. What is Interpolated Resolution? Every Scanner is accompanied by a software. This software can raise the apparent resolution of scan by a scheme known as Interpolation. By
What are program-invisible registers? Ans: the local and global descriptor tables are found in the memory system. To access and specify the address of these tables, program inv
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Q. Find the average of two values? Find the average of two values which are stored in ; Memory locations named FIRST and SECOND ; And puts result in memory location AVG
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