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Bootstrap loader:
The critical programs are loaded into memory by the bootstrap loader at start-up time and will remain resident as long as the computer is running. The bootstrap for most modern computers is stored in read-only memory; on some computers, part of the resident operating system will also be contained in ROM, so that it is permanently resident in memory and always available for use. The memory resident components of an operating system are commonly known as the kernel of the operating system. For example, the operating system program accepts user commands must always be present, as well as the programmes that handle request from the user systems and manage resources in a multitasking system. On the other hand, an operating system command that formats a new disk is only used occasionally; it can be loaded and executed only when it is required. Today, the trend is towards design of nano kernel or micro kernel. The essence of these kernels is to keep the basic kernel smaller.
Types of Printers 1. Impact printers The impact printers produce the image through a mechanism of striking on the stationary. 2. Line Printer This type of printer
Systems Software: Systems software is generally supplied by the hardware manufacturers. It includes operating systems, assemblers, compilers, and interpreters (to convert prog
The TCP/IP networking protocol suite is so basically named for two of its very most and important protocols: Transmission Control Protocol online tutoring Indication Manage
1. What actions need to be taken when a program terminates or a process is killed? What if that process destruction is not the consequence of normal termination, but rather is the
• The SRT is the preemptive complement of SJF and helpful in time-sharing environment. • In SRT scheduling, the process with the least estimated run-time to completion is run next,
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working.?
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what is computer topology .
1. In discussing software algorithms for mutual exclusion, we noted that optimizing compilers and out-of-order execution by processors could invalidate most of these algorithms bec
We normally think of the arts as very different from technologies in spite of the fact that art (with perhaps a few exceptions) is practiced with the help of technology. This pract
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