Write a brief note on Shell
Write a brief note on ‘Shell’?
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A shell is an interactive user interface to operating system services which permits a user to enter commands as character strings or via a graphical user interface. The shell transforms them to system calls to the Operating System or forks off a process to execute the command. System call results and other info from the Operating System are presented to the user via an interactive interface. Usually employed shells are ‘sh,csh,ks’ and as on.
Explain briefly the term links and symbolic links in UNIX file system?
Briefly describe all the addressing modes of the 8085 microprocessor with the aid of examples?
Explain what do you mean by the power supply unit?
Describe the term “Upgrading the memory” in brief.
What is ATX? How it is different from AT? Which is using now?
Briefly illustrate the procedure of video tele-conferencing?
While high speed processors may enable high performance applications to achieve high throughput, disk data transfer rates, speed, and capacity are also critical for the overall performance of an application because slow RAM and slow disks have an impact on application performance. Write a three t
Give a brief explanation of SIMD.
Give a brief explanation of the term BCD.
Explain the reasons of overheating of the microprocessor.
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