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RGPV COA


Video lectures on COA PYQs

Q1. Write short note on Direct Memory Access (DMA)?
Ans. Click Here. (Hindi Video)

Q2. Describe the Von Neumann Model and explain the functioning of its components?
Ans. Click Here. (Hindi Video)

Q3. Explain various types of addressing modes?
Ans. Click Here. (Hindi Video)

Q4. What is function of Control unit? Differentiate Hardwired and Microprogrammed units?
Ans. Click Here. (Hindi Video)

Q5. Take suitable examples and explain 1’s and 2’s complement of binary numbers?
Ans. Click Here. (Hindi Video)

Q6. What do you understand by micro-operation? List types of micro-operation and explain them?
Ans. Click Here. (Hindi Video)

Q7. What are the different categories of 8085 instruction set ? Give suitable examples for each class.
Ans. Click Here. (Hindi Video)

Q8. With the help of suitable diagrams explain simplex, half duplex and full duplex transmission?
Ans. Click Here. (Hindi Video)

Q9. What is Register Transfer Language (RTL)?
Ans. Click Here. (Hindi Video)

Q10. What is cache memory? Explain following-
i) Cache hit
ii) Average access time
Ans. Click Here. (Hindi Video)

Q11. What is pipelining?
Ans. Click Here. (Hindi Video)

Q12. Name three techniques of cache mapping and explain any one in detail?
Ans. Click Here. (Hindi Video)

Q13. Explain the working of following CPU registers:
i) MAR
ii) MDR
iii) AC
iv) IR
v) PC
Ans. Click Here. (Hindi Video)

Q14. A virtual memory system has an address space of 8K words, a memory space of 4K words and page block sizes of 1K words. The following page reference changes occur during a given time interval. (Only page changes are listed. If the same page is referenced again, it is not listed twice.).
420126140102357
Determine the four pages that are resident in main memory after each page reference change if the replacement algorithm is used-
(i) FIFO
(ii) LRU?
Ans. Click Here. (Hindi Video)

Q15. Perform the arithmetic operations below with binary numbers and with negative numbers in signed 2’s complement representation. Use seven bits to accommodate each number together with its sign.
i) (+35) + (+40)
ii) (-35) + (-40)
Ans. Click Here. (Hindi Video)

Q16. What is Instruction Cycle ?
Ans. Click Here. (Hindi Video)

Q17. Differentiate between RISC and CISC.
Ans. Click Here. (Hindi Video)

Q18. Explain the Memory Hierarchy in short ?
Ans. Click Here. (Hindi Video)

Q19. What is Memory organization?
Ans. Click Here. (Hindi Video)

Q20. Differentiate between Simultaneous and Hierarchical access memory organization?
Ans. Click Here. (Hindi Video)