Digital Electronics Unit 5 – Memory, Programmable Logic and Digital Logic Families: important questions for AKTU
Unit 5 (Memory, Programmable Logic and Digital Logic Families) questions that AKTU repeats most often. This unit carries about 36 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 5 questions
- Elaborate a comparison of CMOS, TTL and RTL logic families. (7 marks, 2025, Digital Logic Families) – also asked in 2022, 2023, 2024, 2026
- Elaborate the term PAL, PLA and FPGA with neat diagram. (7 marks, 2025, PLA and PAL Devices) – also asked in 2022, 2023, 2024, 2026
- Compare the performance of TTL, CMOS and ECL logic. (7 marks, 2024, Logic Families) – also asked in 2022, 2023, 2025, 2026
Most important Unit 5 topic
- Digital Logic Families (Unit 5: Memory, Programmable Logic and Digital Logic Families) – asked 38 times in 2022, 2023, 2024, 2025, 2026
Most asked Unit 5 topics
- Digital Logic Families – asked 38 times
- RAM and ROM – asked 16 times
- PLA and PAL Devices – asked 10 times
More Unit 5 previous year questions
- What is noise margin in logic families? (2 marks, 2026, Digital Logic Families)
- Compare TTL, ECL and CMOS logic families with respect to power dissipation, speed and noise immunity. (7 marks, 2026, Digital Logic Families)
- Explain fan-in, fan-out and power dissipation in CMOS logic family. (7 marks, 2026, Digital Logic Families)
- Differentiate between PLA and PAL. Explain how a given Boolean function can be realized using a PLA. (7 marks, 2026, PLA and PAL Devices)
- What is fan-out? (2 marks, 2025, Digital Logic Families)
Unit 5 syllabus topics
- Digital Logic Families
- Interfacing Logic Families
- RAM and ROM
- PLA and PAL Devices