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System software:
System software helps run the computer hardware and system. It is designed to control the operations of a computer and coordinate all external devices like communication devices, printers, keyboards, display units, etc. It manages all the computer resources like memory and processor time in optimal and stable manner.
System software provides a useful link between user and computer. It also assists the computer in the efficient control, support, development and execution of application software. System software is essential for computer hardware to be functional and useful. Some common types of system software are:
Access time: Access time: This is the time required to locate and retrieve stored data from the storage unit in response to a program instruction. That is the time interval be
• It is also known as Shortest-Process-Next (SPN). • Shortest-Job-First (SJF) is a non-preemptive order in which waiting job (or process) with the smallest predictable run-time-to-
write a program to solve a 10x10 maze. prompt the user for an input text file containing ten rows(ten characters on each row). Use following characters in the input file: * startin
Question 1 Consider the one-time pad encryption scheme to encrypt a 1-bit message m, and assume m is chosen with uniform distribution from message space M={0,1}. Let E1 be the ev
In assembly language code lines have two fractions, the earliest one is the name of the instruction which is to be executed, and the next one are the parameters of the command. For
Information Units In order for the PC to process information, it is essential that this information be in unique cells called registers. The registers are sets of 8 or 16 flip-flop
THE CENTRAL PROCESSING UNIT (CPU): The CPU is the heart of any computing system. It executes the individual machine instructions, which make up a program. The CPU is formed fr
Debugging Once a program has been written, it has to be tested first to ensure that it is free of errors. It is very normal that any program written will contain mistake
what is cache? what are registers?
Problem: One large employer requests CVs from applicants, and, on the basis of these, invites a selected number to take part in a telephone interview. A date and time are provi
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