operating system

Question 1

application software

Answer 1

for users benifit

Question 2

system software

Answer 2

preforms tasks needed to operate the hardware, and provide services for other softwares

Question 3

gui

Answer 3

graphical user interface
use icons and other visual indicators to navigate and issue commands

Question 4

CLI

Answer 4

command line interface
a shell responding to successful text commands

Question 5

process

Answer 5

program being exicuted by prossesor

Question 6

processing of os

Answer 6

executes 1 process at a time, suspending it with interrups if necessary

Question 7

multi tasking

Answer 7

OS can only execute 1 process at a time but allows multipule applications to run by rapidly switching between processes

Question 8

cpu time

Answer 8

OS allocates cpu time for each process, and prioritises them in order of importance

Question 9

memory management

Answer 9

-when a user opens a program, it needs to be loaded into the ram
-the os oversees the allocation and management of the ram space
-if there is no space left, virtual memory may be used
-different program data/instructions are kept separate = security

Question 10

periphera management

Answer 10

periphera management = supplementary hard ware
the os uses device drivers, which are programs that convert between the peripheral signals, and the os signals

Question 11

user management

Answer 11

-managing the usernames/passwords, and account creation
-in multi-user os there are user account controls

Question 12

file management

Answer 12

-an is maintains records of all files stored in secondary storage, including information like their location (relative to folders), and what user can access to what

Question 13

Resource Management

Answer 13

The operating system manages the allocation of the CPU’s processing power to various tasks or

Question 14

Processor Management

Answer 14

processes

Question 15

Memory Management

Answer 15

It supervises the allocation and deallocation of memory, ensuring efficient use of available RAM.

Question 16

File and Data Management

Answer 16

The operating system organizes and manages files on storage devices, including creating, deleting, and organizing files. It provides a file system structure for data storage.

Question 17

User Interface

Answer 17

The operating system provides a user interface, which can be command-line or graphical, allowing users to interact with the computer system.

Question 18

Device Management

Answer 18

The operating system interacts with and manages hardware devices such as printers, scanners, and input/output devices, ensuring their proper functioning.

Question 19

Security and Access Control

Answer 19

The operating system enforces security measures to protect the system from unauthorized access. It controls user access and permissions to various resources.

Question 20

Process Management

Answer 20

The operating system manages processes, ensuring the orderly execution of programs. It schedules processes to run on the CPU efficiently.

Question 21

Communication and Networking

Answer 21

The operating system facilitates communication between computers over networks. It manages network connections, protocols, and data transfer.

Question 22

System Initialization and Shutdown

Answer 22

The operating system initializes the computer system during startup, loading essential components into memory. It also manages the shutdown or reboot process.

Question 23

Error Handling

Answer 23

The operating system monitors the system for errors and provides basic error handling mechanisms. It may display error messages and attempt to recover from certain errors.

Question 24

Resource Protection

Answer 24

The operating system ensures that one process or user cannot interfere with the resources allocated to another process or user, providing a level of isolation and protection.