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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.
Q. Explain how does CPU perform Read and Write operation on peripheral device taking suitable example in case of Synchronous Technique.
State and prove Demorgan's second theorem Proof: Demorgan's second theorem = A‾ + B‾ The two sides of the equation here = A‾ + B‾ is represented through the logic d
SS7 Protocol uses: (A) Out of band signalling. (B) Associated signalling. (C) Speech control signalling. (D) No signalling. Ans: SS7 Protocol uses Out of
What is WAP? WAP is stands for Wireless Application Protocol. It is a global, open standard which gives mobile users access to Internet services by handled devices. Wireless A
Capacity and access speed: PC hard disk drive capacity (measured in GB). The vertical axis is logarithmic, so the accurate line corresponds to exponential growth. By using
why to learn data base?
Erasable programmable read only memory (EPROM) This is a special type of PROM which can be erased by exposing it to ultraviolet (UV) light. Once it has been erased, it can be r
Disadvantages of MPI Performance is restricted by communication network between the nodes It can be harder to debug Needs more programming changes to go from seri
Shared Memory Refers to the memory part of a computer system in which the memory can processed directly by any of the processors in the system. Distributed Memory Refer
Question: a) Describe the structure and function of a computer system. b) The raw speed of a microprocessor will not achieve its potential unless a constant stream of wor
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