Computer Architecture Interview Questions - 2

Computer Architecture Latest, recent, important - basic and advanced HR, Technical Interview Questions asked by reputed IT, Chip Design, Making Companies placement papers 2008. Solutions coming soon..

Asked by a famous microprocessor manufacturer.

1. What is Finite Automata

2. What is a Turing machine?

3. How many processors are there in a pentium microprocessor? In Sparc?

4. Difference between RISC and CISC

5. Is RISC always fast?

6. What is a real time system?

7. Name some real time OSs.

8. Is DOS a real time OS?

9. What is a kernel,shell?

10. What is binary search, traversal, hashing?

11. Write a code to count the no. of 1’s in a binary representation of a number.

12. Memory taken for char *, int * etc.

13. char *cp;
    int *ip;
    cp++;
    ip++;

    What is the result?

14. Compare the no. of bytes in unix and Dos for long, char, short, int.

15. How do you make programs portable on unix and Dos under such circumstances?

16. In C++, what is a constructor, destructor?

17. What is friend?

18. What is waterfall model, prototype model?

19. What is testing? What is unit testing, integration testing, etc?

20. What is indexing when talking about databases?

21. What is atomicity?

22. Can recursive programs be written in C++, Write a recursive program to calculate factorial in C++.

23. What is best data structure to store the processes info in a real time operating system?

Computer Architecture Interview Questions 1

Computer Architecture CompArch latest Technical, HR Interview Questions for B.tech, IT Students asked in reputed multinational companies' placement interviews

1. What is pipelining?

2. What are the five stages in a DLX pipeline?

3. For a pipeline with ‘n’ stages, what’s the ideal throughput? What prevents us from achieving this ideal throughput?

4. What are the different hazards? How do you avoid them?

5. Instead of just 5-8 pipe stages why not have, say, a pipeline with 50 pipe stages?

6. What are Branch Prediction and Branch Target Buffers?

7. How do you handle precise exceptions or interrupts?

8. What is a cache?

9. What’s the difference between Write-Through and Write-Back Caches? Explain advantages and disadvantages of each.

10. Cache Size is 64KB, Block size is 32B and the cache is Two-Way Set Associative. For a 32-bit physical address, give the division between Block Offset, Index and Tag.

11. What is Virtual Memory?

12. What is Cache Coherency?

13. What is MESI?

14. What is a Snooping cache?

15. What are the components in a Microprocessor?

16. What is ACBF(Hex) divided by 16?

17. Convert 65(Hex) to Binary

18. Convert a number to its two’s compliment and back

19. The CPU is busy but you want to stop and do some other task. How do you do it?

Computer Architecture Previous Paper 2

Download FREE Computer Science Engineering (CSE Engg. Branch) Previous 5 Years solved Regular and Reappear Question Papers B.tech PTU (2007, 2006, 2005, 2004, 2003) and related Placement HR - Technical Interview Questions for subject Computer Architecture

B. Tech. (Semester - 3rd) COMPUTER ARCHITECTURE (CS - 201)
Time: 03 Hours
Instruction to Candidates:
1) Section - A is compulsory.
2) Attempt any Four questions from Section - B.
3) Attempt any two questions from Section - C.
Maximum Marks': 60

Section - A
QI)
a)what is super pipelining?
b)Explain about RISC processors.
c)Explain about main memory.
d)Explain about I/O modes.
e)What is meant by DMA?
f)What is cache memory?
g)Explain about parallel interfaces taking example 8255.
h)Explain microprogrammed control.
i)Explain pipelining in CPU design.
j)Explain about the computer organization.

Section - B

Q2) What is meant by superscalar processor? Explain the concept of pipelining in
superscalar processor? .
Q3) What-are the advantages you got with virtual memory?
Q4) Write about DMA transfer?
Q5) Explain 'about I/O processor.
Q6) Explain about parallel and distributed computers.

Section. C

Q7) What is memory interleaving? How is it different from Cache memOry?
Q8) Write an Algorithm of multiplication?
Q9) Explain about the multiprocessors?

Computer Architecture Previous Papers

Download FREE Computer Science Engineering (CSE Engg. Branch) Previous 5 Years solved Regular and Reappear Question Papers B.tech PTU (2007, 2006, 2005, 2004, 2003) and related Placement HR - Technical Interview Questions for subject Computer Architecture

CS-201 Computer Architecture (B.Tech 3rd Semester, 2122)

Time : 3 Hours Maximum Marks : 60

NOTE:- This paper consist of Three Sections. Section A is compulsory. Answer any Four questions from Section B and any two questions from Section C

Section-A Marks : 20

1. Attempt any ten parts :
(a) What is difference between a RAM and ROM ?
(b) What is the difference between Machine Language and Assembly Language ?
(c) Differentiate between RISC and CISC.
(d) Whay 2's complement method is used for representation of negative numbers ?
(e) Differentiate between Programmed I/O and I/O mapped I/O.
(f) Differentiate between Interpreter and Compiler.
(g) What do you understand by Interleaved DMA ?
(h) What is a Stack ? List its applications.
(i) How pipeline helps in a faster executionof an Instruction ?
(j) List various methods of data transfer.
(k) Differentiate between Push operation and POP operation in a stack.
(l) What is Multiprogramming ?

Section-B Marks:5 Each

2. Draw the block diagram of a computer and explain the function of each block.
3. Determine the methods to handle branches in a pipeline instruction execution unit.
4. What are the essential components of a multiprogramming system ? Explain.
5. Write an algrothim for multiplication of two unsigned numbers using shift and add method.
6. Write short notes on the following :
(a) Array Processor
(b) Memory Management Techniques.
7. What are the characteristics of a Good Instruction Format ?

Section-C Marks : 10 Each

8. Explain the instruction cycle, Machine cycle Intrupt cycle and Execute cycle.
9. Discuss various steps in the design of a control unit.
10. Design a microprogrammed based processor to implement the division Algrothim.
11. What is a DMA scheme of Data Transfer ? Discuss its operating principle. What is a brust mode of data transfer and cycle stealing mode of data transfer ?