Which of the following are services of operating system?
Which of the following is/are the common services provided by an operating system?
Answer (Detailed Solution Below)Option 4 : All of the options Free 20 Questions 20 Marks 16 Mins Concept An Operating System supplies different kinds of services to both the users and to the programs as well. It also provides application programs (that run within an Operating system) an environment to execute it freely. It provides users the services to run various programs in a convenient manner. Here is a list of common services offered by almost all operating systems:
Hence Option 4 is correct Latest BDL Management Trainee Updates Last updated on Oct 10, 2022 Bharat Dynamics Limited (BDL) has released the BDL Management Trainee Short Notification on 10th October 2022. The candidates will be able to apply online from 29th October to 28th November 2022. A total of 37 vacancies are released. The candidates who will clear the Written Examination will get a call for an Interview. The finally selected candidates will receive the salary between Rs 40,000 to Rs 1,40,000. Also, check BDL Management Trainee Eligibility before applying. An OS offers services to both the users and as well as to the programs. It offers programs with an environment to execute. It offers users the services to run and execute the programs conveniently. Given are a couple of common services provided by an OS −
Program execution OS (Operating system) manage multiple categories of services from operator specified programs to system programs like printer spooler, name attendants, digital devices and many more. Each of those activities is encapsulated as a process. A procedure involves the complete implementation context (code to execute, data to operate, registers, OS/ Operating Systems assets in usage). Following are the main activities of an OS concerning program management −
I/O Operation An I/O subsystem includes I/O devices and their identical driver software. Drivers conceal the characteristics of particular hardware devices from the operator. An OS controls the communication between the operators and device drivers. I/O operation intends to read or write operation with any file or any particular I/O(input or output) device. The OS offers access to the particular I/O device when asked for. File system manipulation A file represents a set of related information. Computers can save files on the hard disk (secondary storage), for long-term storage goals. instances of storage media include mag tape, magnetic disc and optical disc drives like CDs, DVDs. Each of those media has its properties like speed, capacity, data transfer rate and data access methods. A filing system is generally organized into directories for straightforward navigation and usage. These folders can hold data and other directions. Following are the main activities of an OS concerning file management −
Communication In the case of distributed systems which are a set of processors that don't share a memory, peripheral devices, or a clock, the OS manages communications between all the processes. Multiple processes communicate with each other through communication lines within the network. The OS controls routing and attachment procedures, and since the difficulties of dispute and security. Given are the major activities of an OS concerning communication −
Error handling Errors can occur anytime and anywhere. a mistake may occur within the CPU, in I/O devices or the memory hardware. Given are the main activities of an OS concerning error handling −
Resource Management In case if there are multi-user or multi-tasking environment, assets like main memory, CPU (Central processing Unit) cycles and files storing are to be supplied to each user or job. Given are the major activities of an OS concerning resource management −
security Considering a computing system having multiple users and multiprogramming of multiple processes, the varied processes must be shielded from each other's activities. Security refers to a mechanism or how to improve the access of software, processes, or operators to the assets specified by a computing system. Given are the major activities of an OS concerning protection −
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