Understanding of Operating System

Dual mode of operating system has

• 1 mode

• 2 modes

• 4 modes

• 3 modes

Multi-processor system gives a

• tightly coupled system

• loosely coupled system

• small system

• distributed system

Logical extension of multiprogramming operating system is

• batch processing

• single programing

• multi-tasking

• time sharing

Multiprocessor system have advantage of

• Expensive hardware

• decreased performance

• operating system

• Increased Throughput

Scheduling of threads are done by

• hardware

• operating system

• output

• input

Multiprogramming of the computer system increases

• storage

• memory

• cost

• CPU utilization

Another type of multiple-CPU system is the

• mini Computer

• Super Computer

• Clustered System

• mainframe

Interrupt table of pointers having addresses for each interrupt is located at

• cache memory

• mid memory

• low memory

• high memory

Example of open source operating system is

• Windows

• Linux

• UNIX

• macOS

Main memory of the computer system is also called

• non volatile

• volatile

• reserved

• large