CBSE Class 11 Number System & Encoding Quiz

A free CBSE Class 11 Number System & Encoding quiz. Play without signing up; sign in to save your score.

CBSE Class 11 classComputer Science subjectFree quiz

CBSE Class 11 Computer Science counts in binary, octal and hexadecimal. Students convert among bases, add binary numbers, and encode text with ASCII and Unicode so characters map to numeric values across systems.

The CBSE Class 11 Number System & Encoding quiz is free to play without signing up. Sign in to save scores. Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.

What you practice

These are the CBSE Class 11 Number System & Encoding skills this quiz is built around.

Convert integers and fractions among binary, octal, decimal and hexadecimal.
Add binary numbers and explain overflow within fixed bits.
Compare ASCII and Unicode encodings for characters and symbols.

A useful tip

Hexadecimal groups binary in fours and octal in threes. Regrouping bits from the binary point outward converts bases without returning through decimal.

Frequently asked questions

What does CBSE Class 11 Number System & Encoding practice?

Practice includes: Convert integers and fractions among binary, octal, decimal and hexadecimal; Add binary numbers and explain overflow within fixed bits; Compare ASCII and Unicode encodings for characters and symbols.

Is the CBSE Class 11 Number System & Encoding quiz free?

Yes. This quiz is free to play without signing up. Sign in to save your scores and progress.

What game modes can I use?

Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.