Computer systems

Question 1

what is the role of the operating system

Answer 1

manage the operations of the computer, like a bridge between the user and the computer

Question 2

where is the operating system stored

Answer 2

on the secondary storage, yet the boot up information is stored on the rom

Question 3

what tasks does the operating system perform

Answer 3

• processor scheduling
• thread management
• context switching
• inter process communication
• memory management
• virtual memory control
• on and off control
• file management
• interrupt handling
• battery / power management
• provision of user interface

Question 4

what is memory management

Answer 4

the process of managing where the opened programs use memory and making the most out pf the free memory

Question 5

what is virtual memory

Answer 5

it is a way of using secondary storage as a queue for the memory, so that the memory knows exactly where the next instruction to complete is

Question 6

what is processor scheduling

Answer 6

the operating system of balancing the instructions going through the processor to fairly balance the running of multiple programs

Question 7

what is interrupt handling

Answer 7

the processor is great at multitasking but sometimes it will receive a new instruction that has a high priority, such as a user input signal, when it will have to complete this before it continues with other actions

Question 8

what is multi threading

Answer 8

the action of splitting threading compatible programs into multiple cores, many programs do not support this