SMU BSCIT SEM 2 SUMMER 2015 ASSIGNMENTS

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SMU BSCIT SEM 2 SUMMER 2015 ASSIGNMENTS

BT0068, Computer Organization and Architecture

1. Define microoperation and explain its types

2 Describe bus in computer system and explain its structure.

3 Explain the simple instruction format with diagram and examples.

4 Explain infinite-precision and finite-precision ten's complement.

5 Explain the mapping functions between the main memory and CPU

6 Explain interrupt and interrupt driven I/O.

BT0069, Discrete Mathematics

1 Find the sum of all the four digit number that can be obtained by using the digits 1, 2, 3, 4 once in each.

2 (i) State the principle of inclusion and exclusion.

(ii) How many arrangements of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 contain at least one of the patterns 289, 234 or 487?

3 If G is a group, then

The identity element of G is unique.

Every element in G has unique inverse in G.

For any a  G, we have (a-1)-1 = a.

For all a, b  G, we have (a.b)-1 = b-1.a-1.

4 (i)Define valid argument

(ii) Show that  (P  Q) follows from  P  Q.

5 (i)Construct a grammar for the language. 'L⁼{x/ xє{ab} the number of as in x is a multiple of 3.

(ii)Find the highest type number that can be applied to the following productions:

1. S  A0, A  1  2  B0, B  012.

2. S  ASB  b, A  bA  c ,3. S  bS  bc.

6 (i) Define tree with example

(ii) Any connected graph with ‘n’ vertices and n -1 edges is a tree.

BT0070, Operating Systems

1 Describe batch operating system. Explain its advantages and disadvantages.

2 Write short notes on:

1. Critical section problem

2. Buffering

3 What are TLBs? Why they are required in paging?

4 Describe the techniques of free space management of free space list.

5 What are computer viruses? How do they affect our system?

6List and explain the types of multiprocessor OS.

BT0071- TECHNICAL COMMUNICATION – THEORY

1 Explain the Characteristics of Technical Communication. What are the indicators of Excellence in Technical Communication?

2 Explain the preparatory stage in SME Interviews.  Prepare notes on Post Interview Session and Validation

3 Explain the role of a technical editor. List the strength and weakness of SDLC).

BT0072, COMPUTER NETWORKS

1 What is Message switching and Packet switching?

2 What is Framing? Briefly explain Fixed-Size Framing, Variable Size Framing.

3 What is Stop-and-Wait Automatic Repeat Request?

4 What is the role of Internet Protocol version 4 (IPV4) in addressing and routing packets between hosts? Briefly explain the structure of an IPV4 packet.

5 Explain the working and applications of SMTP.

6 Describe Caching and TTL. How it is useful in query resolving?