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What is Multiprogramming?
Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an operating system can run many ( one or more) applications at the same time.
Only one application can actually use a processor at a time, but the multiprogramming operating system is responsible for dividing the processor's execution time and sharing the processor between many applications. In multiprocessor system, the operating system may creatively schedule process to maximize the efficiency of the available CPUs. A term more extensively employed today to describe multiprogramming is multitasking.
Calculate the Average Waiting Time CPU burst time points out the time, the process needs the CPU. The subsequent are the set of processes with their respective CPU burst time (
What is Data Warehouse?
Define Enforcing Modularity for C Additionally, in C it is sometimes necessary to create modularity of design. C++ is very natural model for component based application design
what if we need the portion from a text based on some keyword. For eg. My file is like below, ------------------------------------------------ Order=[ 1 2 3 4 5 Order=[ 6 7 8 9
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
Q. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
LINUX VS WINDOWS I/O MANAGEMENT
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
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