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(a) Describe services of operating systems.
(b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
(c) Why processes at times need to be swapped when programs are run?
(d) Old computer systems use single bus to connect with devices. One problem of these systems is the propagation delay. How does this lead to the delay?
(e) What is the drawback of using multiplexed bus instead of a dedicated bus?
(f) Show a diagram to depict how the local, system, high-speed and expansion buses connect cards and peripheral devices in a computer system.
We will brie?y introduce paging to ?nish off this lecture. When a process is loaded, not all of the pages are immediately loaded, since it's possible that they will not all be need
The following is a dump of a TCP header in hexadecimal format: 00CD0018 00000EF1 00000D5D 502200D1 01BF0010 We need to first split the above hex as such 00 CD 00 18 00 00
PADM 530. case study part 1
What are the typical elements of a process image? User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified. User
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basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
Write on short note DMA. Direct M emory Access (DMA) is a technique for transferring data from main to a device without passing it through the CPU. Computers that have
What are the objectives for a file management system? To meet the data management wants and requirements of the user, which embrace storage of data and the ability to
Q. When virtual memory is executed in a computing system there are convinced costs associated with the technique and certain benefits. List the costs as well as the benefits. Is i
What are threads? A thread is alike to sequential programs. Single threads have a beginning, sequence and end. At any given point in time during the runtime of the thread there
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