MCA-05 (Old New)
June Examination 2016
MCA Ist Year Examination
Computer Organization and Architecture
Paper MCA-05 (Old New)
Time 3 Hours Max. Marks 80
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 8 × 2 16
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
Define flip-flops.
List different I/O techniques.
Define virtual memory.
What is RAID?
What is RISC?
What is interrupt?
Define Multiprocessor.
(viii) What is pipelining?
351
MCA-05 (Old New) 100 3 (P.T.O.)
MCA-05 (Old New) 100 3 (Contd.)
351
Section B 4 × 8 32
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 8 marks.
Explain the working of Full adder with truth table and logic
diagram.
Describe the working of direct memory access technique.
What is memory hierarchy? Discuss.
What is the function of cache memory? Explain the term
cache hit and cache miss.
Write the differences between Hardwired and Micro
Programmed implementation of Control unit.
Explain the Instruction Execution Cycle without interrupt.
State and explain Flynn's classification of Multiprocessor
architecture.
What is pipeline hazard? What are the types of hazard?
Explain.
MCA-05 (Old New) 100 3
351
Section C 2 × 16 32
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
16 marks.
10) What do you mean by multiplexer? Explain the working of a
8-to-1 multiplexer with truth table and logic diagram.
11) What is the difference between Programmed I/O and
Interrupt Driven What are their advantages and
disadvantages?
12) What do you mean by paging? What is page table and where
is it located? Explain.
13) What are the building blocks of Central Processing Unit?
Briefly discuss the functions of each unit.