Computer Organization Architecture (KCA105) - AKTU Question Paper 2024-25
MCA · Semester 1 · Free PDF Download
This is the official AKTU Computer Organization Architecture Previous Year Question Paper for MCA Semester 1, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:MCA
Semester:Semester 1
Session:2024-25
University:AKTU / UPTU
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Questions Asked in 2024-25
Computer Organization Architecture (KCA105) — extracted question text · 100 marks · 3 Hours
Section AAttempt all questions in brief. 2 x 10 = 20
- aCompare the various addressing modes used in processor organization. 1 K2, K3
- bHow does bus width affect data transfer rates? 1 K2, K3
- cAnalyze the process of floating-point division and describe th e challenges involved in implemen ting floating-poi nt arithmetic i n hardware
- dExplain the architecture of an ALU. 2 K2, K4
- eApply the principles of instruction pipelining and identify ha zards that can occur in a pipeline
- fApply the concept of micro-operations in program control. Expl ain how control signals govern their execution
- gExplain the trade-offs between speed, cost, and capacity. 4 K2, K3
- hAnalyze the impact of cache memory on processor performance. 4 K2, K3 i. Explain Direct Memory Access. 5 K1, K2 j. Explain synchronous and async hronous serial communication. 5 K1, K2
Section BAttempt any three of the following: 10 x 3 = 30
- aExplain the role of functional units. How do these units int eract using system buses, and what are the different types of bus architectures used in modern computers?
- bExplain how floating-point num bers are represented, normalized, and rounded, and discuss the implications of precision errors in scientific computations
- cApply the concept of Reduced Instruction Set Computer and Co mplex Instruction Set Computer. Compare their architectural differenc es and analyze their impact on performance and power consumption
- dExplain the design and perform ance considerations of cache m emory. How do replacement policies affect cache performance?
- eAnalyze standard communicati on interfaces. How do these inte rfaces impact data transfer speed and system performance?
Section CAttempt any one part of the following: 10 x 1 = 10
- aUnderstand the concept of bus arbitration and compare differ ent bus arbitration techniques. How do these techniques impact system performance in multiprocessor environments?
- bRemember the different types of registers in a processor and explain their specific functions. How does the use of general-purpose a nd special-purpose registers improve computational efficiency?
- aExplain the concept of look-ahead carry adders and analyze h ow they improve addition speed compared t o ripple carry adders. Explain their working principle with an example
- bAnalyze Booth’s algorithm for signed operand multiplication. Provide a step-by-step example of multiplying two signed binary numbers u sing Booth’s algorithm and explain ho w it optimizes the multiplicati on process
- aApply the concept of instruction cycles and sub-cycles to ex plain the complete execution of an instruction in a processor. How does instruction pipelini ng improve the efficiency of execution? Pro vide a detailed example
- bApply the differences between hardwired and microprogrammed control units. Design a simple m icroprogrammed control unit and explain how microinstructions are sequenced and executed
- aMake use of the concept of virtual memory and explain how it i s implemented using paging and segmentation. Discuss the role of the Memory Management Unit in address translation
- bCompare and contrast the diffe rences between various types o f secondary and auxiliary storage devices. How do advancements in storage technology impact computing performance?
- aExplain the different types o f I/O interfaces and their role in computer architecture. Explain how memory-mapped I/O differs from isolated I/O and discuss their advantages and disadvantages
- bAnalyze the different types of interrupts and their role in handling external and internal events in a computer system. How does int errupt priority affect system performance?
Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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