Introduction to Mobile Architecture

BCS-091 important topics

The eGyanKosh units IGNOU has examined most, from 5 past papers. Matched automatically from question wording.

1. Block 3, Unit 8: Mobile Processors ↗Asked almost every time: in 4 of 5 papers
2. Block 3, Unit 10: Sensors ↗Asked almost every time: in 4 of 5 papers
3. Block 2, Unit 4: Introduction to Mobile Operating Systems ↗Asked almost every time: in 4 of 5 papers
4. Block 4, Unit 13: Cross Platform Development Tools ↗Asked often: in 3 of 5 papers
5. Block 2, Unit 6: Basics of iOS ↗Asked often: in 2 of 5 papers
6. Block 4, Unit 15: Monetization ↗Asked often: in 2 of 5 papers
7. Block 1, Unit 3: Basics of Mobile Application Design ↗Asked sometimes: in 1 of 5 papers
8. Block 2, Unit 5: Basics of Android ↗Asked sometimes: in 1 of 5 papers

BCS-091 assignment

The latest BCS-091 assignment is valid for the January 2026 & July 2026 sessions, number CMAD/091/Assignment. It carries 100 marks and 30% of your final grade. Due 30 Apr 2026 for the January 2026 session or 31 Oct 2026 for the July 2026 session.

BCS-091 previous-year question papers

Official term-end exam papers for Introduction to Mobile Architecture, published by IGNOU. Each one opens on IGNOU’s website.

• June 2024BCS-091 term-end exam, official PDF↗
• December 2023BCS-091 term-end exam, official PDF↗
• June 2023BCS-091 term-end exam, official PDF↗
• December 2022BCS-091 term-end exam, official PDF↗
• June 2022BCS-091 term-end exam, official PDF↗

Important Introduction to Mobile Architecture questions

10 questions have come in more than one BCS-091 exam. They are listed first. The text is taken from IGNOU’s official papers, so open the paper for figures and exact wording.

1. June 2024 · Q3(a) · 7 marksAsked 2 times

   What is Accelerometer? Write short note on common types of Accelerometers.

2. June 2023 · Q3(b) · 5 marksAsked 2 times

   Explain any five security related practices for securing a Mobile Platform.

3. June 2023 · Q5(a) · 10 marksAsked 2 times

   Explain any five types of Mobile Screens.

4. June 2022 · Q1(c) · 10 marksAsked 2 times

   Explain the features of an ARM processor. Also, briefly explain the ARM architecture.

5. June 2022 · Q3(b) · 5 marksAsked 2 times

   List any five basic specifications of an Accelerometer.

6. December 2022 · Q1(a) · 10 marksAsked 2 times

   Explain any five security related practices for securing mobile platform.

7. December 2022 · Q3(b) · 10 marksAsked 2 times

   What is an ARM processor? Explain any five features of it.

8. December 2022 · Q4(b) · 5 marksAsked 2 times

   List any five basic specifications of a Gyroscope.

9. December 2022 · Q5(a) · 10 marksAsked 2 times

   What is an Accelerometer? Explain any two types of Accelerometers.

10. December 2022 · Q5(b) · 5 marksAsked 2 times

    List any five types of mobile screens.

11. June 2024 · Q1(a) · 10 marks

    What is Mobile Operating System? Explain layers of mobile OS. Give two examples each of open and closed mobile OS.

12. June 2024 · Q1(b) · 10 marks

    What is Dalvik Virtual Machine? Also, briefly explain the application priorities and different states of processes.

Introduction to Mobile Architecture study material

IGNOU publishes the full BCS-091 self-learning material free on eGyanKosh: every block and unit on mobile application development, mobile operating systems, mobile hardware and software development tools.