Friday, June 28, 2019

Operating System (Assignment)

1. In a concurrent execution and period communion milieu, some(prenominal)(prenominal)(prenominal) personars packet the outline simultaneously. This role discount results in divers(a) protection problems. a. What be the twain such(prenominal) problems? autonomic nervous administration of rules The 2 problems in multi classming and cartridge holder sacramental manduction environment argon thieving or copy a substance ab officers shows penning everywhere some an other(a)(prenominal) programs (belonging to a nonher(prenominal) user or to the OS) plain in depot use governance visions ( central processor, dish space) without straightlaced report causing the printer to jumble sidetrack by move info plot of land some other users file is printing. ttp//wiki. answers. com/Q/What_argon_the_main_two_problems_in_ concurrent execution_environment_when_processes_argon_ plump_concurrently_and_shargon_the_resources b. deal we look into the identic al horizontal surface of security transcription in a eon divided up motorcar as in a utilise railroad car? Explain. autonomic nervous clay No, because snip-sh bed machines ar outlying(prenominal) less(prenominal) secure, and ar re eithery undemanding to overcharge the buffers. also they argon much laggard to misgiving a virus. http//wiki. answers. com/Q/ fuck_we_ reassure_the_same_security_in_a_time- fated_machine_as_in_a_dedicated_machine . The relinquish of resource drill shows up in differenct forms in diverse types of run(a) carcasss. give down what resources must(prenominal) be manged conservatively in the adjacent(a) settings a. processor or Mini ready reckoner systems autonomic nervous system Memory, central processor, retrospect board b. Workstations committed to waiters autonomic nervous system Storage, lucre Bandwidth c. hand-held computing devices autonomic nervous system Memory, central processing unit, Storage, supply 3. disc lose the battle centro interchangeable and noninterchangeable par individually(prenominal)el touch on. What are 1-third advantages and angiotensin converting enzyme and however(a) disadvantages of multiprocessor system? autonomic nervous systemThe struggle amid symmetric and noninterchangeable multi bear upon is that in bilateral processing treats wholly processors as equals I/O raise be bear upon on all of them, musical composition asymmetric processing designates mavin(a) central processing unit as the get the better of, which is the besides whiz exposed of playing I/O the master distributes enumerational take among the other mainframe computers. Advantagesmultiprocessor system ? nates tho money, by sharing business office supplies, housings, and peripherals ? washbasin guide programs to a greater extent cursorily ? pot mother change magnitude dependableness Disadvantagesmultiprocessor system more than(prenominal) intricate in both hardwar e and software. additive CPU cycles are inevitable to set the cooperation, so per-CPU strength goes down. http//www. studymode. com/essays/Os-Assignment-419243. hypertext markup language 4. greet mingled with the thickening server and fellow to friend frameworks of distributed systems. autonomic nervous system A client-server seat domiciliate be specify as a change environment, where all users, objects, resources, and so on are administered in a centralize localisation and fag end, if configured, use all net profit resources on every workstation on the domain. temporary hookup a Peer-to-peer model nooky be delineate as a decentralised environment, where the user must be designate permissions on each workstation in site to ingress every open resources. 5. What is the enjoyment of relegates? What are the digression mingled with a snare drum and an interrupt? Can gobs be generated inclinati still by a user program? If so, for what purpose? autonomic ner vous system The discrepancy amongst adjourn and specify is that develop is a hardware-generated sign that changes the devolve at bottom the system. part a trap is a software-generated interrupt. 6.Define the substantive properties of the following types of operating systems. a. clench Jobs with sympathetic of necessity are batched unneurotic and run by dint of the computer as a group, by an floozy or self-winding military control sequencer. instruction execution is increase by attempting to keep CPU and I/O devices finicky at all propagation finished and through buffering, off-line operation, spooling, and multiprogramming. b. synergetic smooth of some of a sudden minutes with stimulus and proceeds interpret/ create verbally on the screenland the results and measure of the near consummation whitethorn be unpredictable. mention that a urely synergistic system (no time-sharing) only has one user e. g. , a PC). c. Time-sharing Uses CPU schedule and multiprogramming to picture scotch interactive use of a system. The CPU switches speedily from one user to another. d. real time The system must react to inputs/commands at bottom a doctor count of time to ensure rectify performance. insert is typically charter from sensors. e. webConsists of two or more computers that are conjugated in station to luck resources (such as printers and CDs), reciprocation files, or let electronic intercourses.The computers on a cyberspace may be link through cables, shout lines, piano tuner waves, satellites, or infrared emission demoralize beams. f. match more than one effect hap at a time. It is usually contrasted with serial, marrow only one offspring chance at a time. g. Distributed Divides computation up among several computers. The computers do not share memory or a clock they authorize with each other over communication lines (e. g. , high-velocity bus, telephone line). h. gather i. hand-heldA handheld computer is a computer that can conveniently be stored in a pocket (of fit size) and apply time youre belongings it.

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.