IT-402 RGPV B.Tech
Computer Architecture (CA)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
4 papers, latest Jun 2026
Syllabus, notes and important questions for IT-402
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Computer Architecture and Organization 10 topics
- Computer architecture and organization
- Computer generations
- Von Neumann model
- CPU organization
- Register organization
- Various CPU registers
- Register Transfer
- Bus and Memory Transfers
- Arithmetic, Logic and Shift micro-operations
- Arithmetic logic shift unit
Unit 2 Arithmetic and Logic Unit and Data Representation 16 topics
- Arithmetic and logic unit
- Fixed-point representation: integer representation
- Sign magnitude representation
- 1’s complement representation
- 2’s complement representation and range
- Integer arithmetic: negation
- Integer arithmetic: addition
- Integer arithmetic: subtraction
- Integer arithmetic: multiplication
- Integer arithmetic: division
- Floating-point representation
- Floating-point arithmetic
- Hardwired control unit
- Micro-programmed control unit
- Control memory
- Microprogram sequence
Unit 3 Central Processing Unit and Instruction Set 17 topics
- Central Processing Unit (CPU)
- Stack organization
- Memory stack
- Reverse Polish Notation
- Instruction formats
- Zero-address instructions
- One-address instructions
- Two-address instructions
- Three-address instructions
- RISC instructions
- CISC characteristics
- Addressing modes
- Modes of transfer
- Priority interrupt
- Daisy chaining
- Direct Memory Access (DMA)
- Input-Output Processor (IOP)
Unit 4 Memory System and Virtual Memory 20 topics
- Computer memory system
- Memory hierarchy
- Main memory: RAM
- Main memory: ROM
- Auxiliary memory
- Associative memory
- Cache memory: associative mapping
- Cache memory: direct mapping
- Cache memory: set-associative mapping
- Cache memory: write policy
- Cache performance
- Virtual memory: address space
- Virtual memory: memory space
- Virtual memory: address mapping
- Paging
- Segmentation
- Translation Lookaside Buffer (TLB)
- Page fault
- Effective access time
- Replacement algorithms
Unit 5 Parallel Processing and Pipelining 9 topics
- Parallel processing
- Pipelining: general considerations
- Arithmetic pipeline
- Instruction pipeline
- Vector operations
- Matrix multiplication
- Memory interleaving
- Multiprocessors
- Characteristics of multiprocessors
Exam insights
Counted from 4 past IT-402 papers.
Marks asked per paper, by unit
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Unit 1 Computer architecture and organization 21 marks
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Unit 2 The arithmetic and logic unit 18 marks
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Unit 3 Central Progressing Unit (CPU) 19 marks
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Unit 4 Computer memory system 16 marks
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Unit 5 Parallel Processing 10 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Explain stack organization in CPUs and its applications in function calling, recursion and memory management.
Asked 3 times: 2026, 2025, 2024
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Explain the differences between hardwired and microprogrammed control units.
Asked 3 times: 2026, 2025, 2022
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Compare and discuss Bus Transfer and Memory Transfer operations and how they aid data movement within the CPU.
Asked 2 times: 2026, 2025