Context switching in Operating Systems - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence to define context switching.

Operating Systems

Context switching is the process where the CPU switches from executing one [1] to another.

Drag options to blanks, or click blank then click option'

Afile

Bprocess

Cprogram

Dthread

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing 'process' with 'program' or 'thread'.

Thinking context switching involves files.

Context switching involves switching the CPU from one process to another to allow multitasking.

2fill in blank

medium

Complete the sentence about what is saved during context switching.

Operating Systems

During context switching, the CPU saves the [1] of the current process so it can resume later.

Drag options to blanks, or click blank then click option'

Astate

Bfile

Cmemory

Dpriority

Attempts:

3 left

💡 Hint

Common Mistakes

Thinking the entire memory is saved.

Confusing state with file or priority.

The CPU saves the state of the current process, including registers and program counter, to resume it later.

3fill in blank

hard

Fix the error in the sentence about context switching overhead.

Operating Systems

Context switching is a fast operation with no [1] on system performance.

Drag options to blanks, or click blank then click option'

Amemory

Bpriority

Coverhead

Dbenefit

Attempts:

3 left

💡 Hint

Common Mistakes

Assuming context switching has no cost.

Confusing overhead with memory or priority.

Context switching causes overhead, which means it uses CPU time and can slow down system performance.

4fill in blank

hard

Fill both blanks to describe what the CPU saves and loads during context switching.

Operating Systems

The CPU saves the [1] of the current process and loads the [2] of the next process to run.

Drag options to blanks, or click blank then click option'

Astate

Bmemory

Dpriority

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up state with memory or priority.

Thinking the CPU loads memory instead of state.

The CPU saves the state of the current process and loads the state of the next process to continue execution.

5fill in blank

hard

Fill all three blanks to complete the explanation of context switching steps.

Operating Systems

First, the CPU saves the [1] of the current process, then it updates the [2] to point to the next process, and finally it loads the [3] of the next process.

Drag options to blanks, or click blank then click option'

Astate

Bprogram counter

Dmemory address

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing program counter with memory address.

Not realizing the state is saved and loaded.

Context switching involves saving the state of the current process, updating the program counter to the next process, and loading the state of the next process.