Question

what is the operating system? List the various functions of operating system.​

Answer 1

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Aɴ ᴏᴘᴇʀᴀᴛɪɴɢ sʏsᴛᴇᴍ (OS) ɪs sʏsᴛᴇᴍ sᴏғᴛᴡᴀʀᴇ ᴛʜᴀᴛ ᴍᴀɴᴀɢᴇs ᴄᴏᴍᴘᴜᴛᴇʀ ʜᴀʀᴅᴡᴀʀᴇ, sᴏғᴛᴡᴀʀᴇ ʀᴇsᴏᴜʀᴄᴇs, ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇs ᴄᴏᴍᴍᴏɴ sᴇʀᴠɪᴄᴇs ғᴏʀ ᴄᴏᴍᴘᴜᴛᴇʀ ᴘʀᴏɢʀᴀᴍs. ... Oᴘᴇʀᴀᴛɪɴɢ sʏsᴛᴇᴍs ᴀʀᴇ ғᴏᴜɴᴅ ᴏɴ ᴍᴀɴʏ ᴅᴇᴠɪᴄᴇs ᴛʜᴀᴛ ᴄᴏɴᴛᴀɪɴ ᴀ ᴄᴏᴍᴘᴜᴛᴇʀ – ғʀᴏᴍ ᴄᴇʟʟᴜʟᴀʀ ᴘʜᴏɴᴇs ᴀɴᴅ ᴠɪᴅᴇᴏ ɢᴀᴍᴇ ᴄᴏɴsᴏʟᴇs ᴛᴏ ᴡᴇʙ sᴇʀᴠᴇʀs ᴀɴᴅ sᴜᴘᴇʀᴄᴏᴍᴘᴜᴛᴇʀs.

Aɴ ᴏᴘᴇʀᴀᴛɪɴɢ sʏsᴛᴇᴍ ʜᴀs ᴛʜʀᴇᴇ ᴍᴀɪɴ ғᴜɴᴄᴛɪᴏɴs:

(1) ᴍᴀɴᴀɢᴇ ᴛʜᴇ ᴄᴏᴍᴘᴜᴛᴇʀ's ʀᴇsᴏᴜʀᴄᴇs, sᴜᴄʜ ᴀs ᴛʜᴇ ᴄᴇɴᴛʀᴀʟ ᴘʀᴏᴄᴇssɪɴɢ ᴜɴɪᴛ, ᴍᴇᴍᴏʀʏ, ᴅɪsᴋ ᴅʀɪᴠᴇs, ᴀɴᴅ ᴘʀɪɴᴛᴇʀs,

(2) ᴇsᴛᴀʙʟɪsʜ ᴀ ᴜsᴇʀ ɪɴᴛᴇʀғᴀᴄᴇ, ᴀɴᴅ

(3) ᴇxᴇᴄᴜᴛᴇ ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇ sᴇʀᴠɪᴄᴇs ғᴏʀ ᴀᴘᴘʟɪᴄᴀᴛɪᴏɴs sᴏғᴛᴡᴀʀᴇ.

Answer 2

An operating system has three main functions:

1. manage the computer's resources, such as the central processing unit, memory, disk drives, and printers;

2. establish a user interface; and

3. execute and provide services for applications software.