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Multiprogramming
Multiprogramming means capability of several programs to simultaneously occupy a portion of the computer’s memory and compete for central processor time.
The CPU switches from one program to another as soon as it is idle due to input/output calls. Due to this, the utilization of CPU is optimized and CPU efficiency becomes very high compared to Batch Processing Systems.
The basic parts of a computers are shown in Figure. Input devices such as a keyboard, mouse or scanner are used to enter input (data and/or instructions), directly
Embedded Operating Systems, Devices have EOS built-in, OPERATING SYSTEM embed on the System itself, Cell phones, PDAs, medical equipment Fast, Application specific Stable a
COMPUTER INPUT: Figure shows input information for a typical airborne digital computer. The sensors in Figure develop analogue electrical signals representing: -
function of arithmetic logic unit
explain logic unit
Computer Processing: Most of the earliest computer memories have been based on physical elements which can exist in just one of the two states (on or off): such an element cor
board coloring
differance between multiaccess and multitasking
The Scheduling algorithms can be divided into two parts with respect to how they deal with clock interrupts. 1) Nonpreemptive Scheduling: A scheduling
storage media?
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