GATE 2007
If P, Q, R are Boolean variables, then (P + Q ̅ )(P·Q ̅ + P·R)(P ̅ ·R + Q ̅ ) simplifies to
Related Digital Logic PYQs
The following expression was to be realized using 2-input AND and OR gates. However, during the fabrication all 2-input AND gates …
A 1-bit full adder can be constructed using:
How many distinct Boolean functions can be formed using 4 Boolean variables?
Which of the following circuits can be used to convert an n-bit binary code into an n-bit Gray code?
A half adder consists of which two logic gates?
A D flip-flop is also known as a:
Free account benefits
Turn practice into measurable progress
Public PYQs and reference pages stay free. Sign in when you want GATEverse to remember what you studied and guide what to practise next.
Saved progressKeep answers, mock results and completion history across devices.
Adaptive practiceGet questions matched to your recent accuracy and difficulty level.
Bookmarks and notesBuild a personal revision list and record why a question was difficult.
Performance insightsSee weak subjects, accuracy trends, streaks and exam readiness.