Download AKTU B-Tech 5th Sem 2015-2016 Computer Architecture Ncs 505 Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 5th Semester (Fifth Semester) 2015-2016 Computer Architecture Ncs 505 Question Paper

Printed Pages: 4 ' 229' NCS-505
(Following Paper ID and Roll No. to be ?lled In your
Answer Book)
RollNo.
B.Tech.
(SEM. V) THEORY EXAMINATION, 2015-16
. COMPUTERARCHITECI?URE? '
Timez3 hours] _ , [MaximumMarks:100
SectionAA
Note: Attempt all parts; All parts carry equal marks. Write
answer ofeach part in short. 2X10=20
Q] (a) What is the main advantage of RTL?
(b) De?ne control word. ,
(0) Give block diagram of 'micro program sequencer. .
((1) Why are read and write control lines in a DMA I
controller bidirectional?
. (6) List two important instruction set design issues.
(f) List the two techniques used for grouping the
' control signals
(g) Which of L1 and L2 cache is faster?
(h) What is the use of Modern in synchronous
communication? '
(i) What is CAM?
15000 (1) NCS-SOS

0) List three types of Control Signals.
Section-B
Note: Attempt any ?ve questions from this section.
1 0 x 5=20
Q2. Discuss the advantages and disadvantages of polling
and daisy chaning bus arbitration schemes.
Q3. Brie?y de?ne the following terms.
V i (i) Micro operation
(ii) Micro instruction
(iii) Micro program
(iv) Micro code
(v) Control memory
Q4. What do you inean by CAM? Explain its major
characteristics.
Q5. Explain various types of processor organization.
Q6. Explain the sequence that takes place when an interrupt
occurs. '
Q7. A computer uses RAM chips of 1024*] capacity.
(i) How many chips are needed and how should their
address lines be connected to provide a memory
capacity of 1024*8?
(ii) How many chip are needed to provide a memory
capacity of 16KB? Explain in words how the chips
are to be connected to the address bus.
15000 ' (2) NCS-SOS
Q8. A ROM chip of 1024*8 has four select inputs and
operates from a 5 volt power supply. How many pins
are needed for the 1C package? Draw a block diagram
and label all input and output terminals in the ROM.
Q9. ' (i) What are the differences between hardwired and
micro-prograrhmed control unit?
(ii) What is RISC? Explain its various characteristics.
Section-C
Note: Attempt a_n?g questions from this section.
(15 ><2=3l0)
Q10. (i) What is the distinction between spatial locality and
temporal loeality?
(ii) Show the multiplication process using Booth?s
Algorithm when the following numbers are
multiplied:
(-13) by (+8)
Q11. Why Input Output interface is required? Describe in
detail.
Q 12. Differentiate among:
(i) Strobe contrbl and Handshaking
asynchronous data transfer modes.
(ii) Processor and IOP.
15000 . (3) NCS-505

(iii) Synchronous and asynchronous transmission.
(iv) Character oriented and Bit oriented
protocols.
(v) DMA and InterruRt initiated I/O techniques.
._...X_._ 2
15000 7 I (4) NCS-SOS