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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.
Suppose there are exactly five packet switches (Figure 4) between a sending host and a receiving host connected by a virtual circuit line (shown as dotted line in figure 4). The tr
Simulated Annealing One way to answer the problem of local maxima and related problems like ridges and plateaux in hill climbing is to permit the agent to go downhill to some e
what is computer topology .
Problem 1. What are Micro-operations? Explain Micro operations of the Fetch cycle. Defining Micro-operations Its explanation of the fetch cycle 2. Differen
Input/Output Services: Every operating system, large or small, provides input/output services for each device in the system. The operating system includes I/O device driver
Opcode and operands: Let us further assume that our computer can process only two-digit decimal numbers, i.e. there can be a maximum of two operands each of a maximum of two d
When purchasing a database program, you must have a clear idea of what you need it for. Ask yourself the following questions. (1) Will it perform all (he operations necessary f
File Management: The concept of a file is central to the effective use of a computer system. A file is generally loosely defined as a collection of related information such
E-learning: E-learning is one of the most used terms on the Internet that describes any form of learning that is facilitated academically by the electronic means. Such means m
Bandwidth: Bandwidth is the second concept important for transmission. This concept can be explained with the help of the traffic network mentioned earlier. If there is a two-
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