Operating System Concepts

Front

What is Bootstrap?

Back

A small program that is used to load other programs to ‘start up’ a computer.

Front

What is Scheduling in operating systems?

Back

A process manager which handles the removal of running programs from the CPU and the selection of new processes.

Front

What does a Direct Memory Access (DMA) controller do?

Back

Allows certain hardware to access RAM independently of the CPU.

Front

What is the Kernel in an operating system?

Back

The core of an OS with control over process management, memory management, interrupt handling, device management and I/O operations.

Front

What is Multitasking?

Back

A function allowing a computer to process more than one task/process at a time.

Front

What is a Process?

Back

A program that has started to be executed.

Front

What is Preemptive scheduling?

Back

A type of scheduling in which a process switches from running state to steady state or from waiting state to steady state.

Front

What is Quantum in the context of scheduling?

Back

A fixed time slice allocated to a process.

Front

What is Non-preemptive scheduling?

Back

A type of scheduling in which a process terminates or switches from a running state to a waiting state.

Front

What is Burst time?

Back

The time when a process has control of the CPU.