Difference between multiprogramming and uniprogramming

What is uniprogramming Uniprogramming means one program sits in main memory at a time. Uniprogramming was used in old computers and mobiles. When the computer starts then operating system and application programs are loaded into main memory. We only count user programs running in RAM. RAM is also called main memory. In old operating systems (OS) only one program runs on the computer at a time. Either of [...]

By |2024-03-27T13:00:18+00:00July 19, 2018|computers|0 Comments

Difference between multiprogramming and multitasking

Definition of multiprogramming The process of sharing CPU time with multiple programs or jobs is called multiprogramming. Multiprogramming is based on content switching. In context switching, one job run until I/O interrupt occurs. When I/O interrupt occurs then CPU switch to another job. There may also occur other types of interrupts like event interrupt, memory interrupt, hardware interrupt etc. Interrupts are just like alert actions that notify CPU [...]

By |2024-03-27T13:00:18+00:00July 19, 2018|computers|0 Comments
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