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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 withdiagram and examples.
4 Explain infinite-precision and finite-precision ten's complement.
5 Explain the mapping functionsbetween 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 -1)-1 = a.
For all a, b -1 = b-1.a-1.
4 (i)Define valid argument
(ii) Show that
5 (i)Construct a grammar forthe language. 'L⁼{x/ xє{ab} the number of as in x is a multiple of 3.
(ii)Find the highest typenumber that can be applied to the followingproductions:
1. S
2. S B
6 (i) Define tree with example
(ii) Any connectedgraph 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?

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4 Describe the techniques of free space management of free space list.
5 What are computer viruses? How do they affectour 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 Packetswitching?
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?
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