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Q. What is System Prompt?
On loading (or Switching to) DOS, the screen displays C :\>, C>, A :\> or a similar message. The message displayed by DOS is called DOS Prompt or System Prompt. This prompt serves two functions:
1. It point towards that DOS is ready to accept a command from the keyboard.
2. It displays the default drive name. For example, C>, C :\>, indicates that drive C: is a default drive. DOS will use the default drive for every file operations if the user does not identify any drive name with commands.
what are the fundamental data structures
Q. Advantages of using clusters? Parallel and distributed applications Decreased turnaround time Balanced loads Utilization of more powerful hosts Access to
Which one state is not a fundamental process state? Ans. Blocked state is not a fundamental process state.
Why is Multiplexer Tree needed? Draw the block diagram of a 32:1 Multiplexer Tree and explain how input is directed to the output in this system. Ans. One of the possible
The desired level of coupling is:- Data coupling
Q. What is Input-output processors? let's briefly summarize the development in area of input/output functions. These can be briefed as below: 1. CPU directly controls a peri
Prove the following Boolean identities using the laws of Boolean algebra (A + B)(A + C) = A + BC Ans. (A+B)(A+C)=A+BC LHS AA+AC+AB+BC=A+AC+AB+BC OR A((C+1)+A(B+1))+BC
Q. Show the instruction execution by using the micro-operations? A simple instruction can require: Instruction fetch: fetching instructions from the memory. Instruc
How do you create special files like named pipes and device files? The system call method forms special files in the following sequence. Kernel assigns new inode,
Constant Current Sources An ideal constant current source delivers a given current to a circuit regardless of the voltage required to do so. . Constant current supplies are r
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