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SMU BSCIT SEM 1 SUMMER 2015
BT0062- Fundamentals of IT
1 Define gate and explain OR, AND, NOT gates.
2 Compare:
- Multi-user and Single-user Operating Systems.
- Multi-tasking and Single-tasking Operating Systems.
3 What is cache memory? Explain the importance of cache computer memory.
4 Write the steps to insert one or more columns and one or more cells in MS Excel.
5 Explain different parts of Power Point Window.
6 What is the importance of graphics multimedia? Explain the two types of graphics.
BT0063, MATHEMATICS FOR IT
1 (i) Express 792 in radians and (7 p /12)c in degrees
(ii) Prove that tan0+sec0-1 = cos0 = 1+sin0
Tan0- sec0+1 1- sin0 cos0
- i. Y = x^{m/n), m, n being integers, n > 0 find dy/dx
- Differentiate log (2x + 3) from first principles
- Evaluate 2 cosx+ 3sinx/ 4 cosx+ 5 sinx dx= I
4 Solve dy/dx = y+x-2/y-x-4
- i. If a = cos q + i sin 0,0 <0 < 2p prove that 1+a/1-a = i cot q/2
- If x=1y = a+ ib/c+ id prove that (x^2+y^2) = a^2+b^2/c^2+d^2
- Solve: 2x + 3y + 4z = 20, x + y + 2z = 9, 3x + 2y + z = 10
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BT0064, DIGITAL LOGIC
1 Solve each of the following 4-bit subtraction problems using 2’s complement representation.
- (00110)2 – (00101)2
- (0111)2 – (0001)2
2 What is difference between minterm and maxterm? Express the following function
F(x,y,z) = (x+z) y in form of minterm and maxterm?
3 Draw truth table for following Boolean function
- a) F(x,y) =(x+z)y
- b) F(x,y) = xy +xy’
4 Simplify the following Boolean function using k map.
F(A,B,C,D)=∑m(0,2,3,5,6,7,8,10,11,14,15)
5 What are combinational circuits? Explain differences between sequential circuits and combinational circuits.
6 What is the difference between Ring counter and Johnson counter? Explain
BT0065, C PROGRAMMING AND DATA STRUCTURES – THEORY
1 Explain the structure of the C program.
2 Explain bubble sort with the help of an example
3 What is structure? What is its importance? Explain with an example how to declare and initialize structure.
4 What do you mean by dynamic memory allocation? Explain the three functions for dynamic memory allocation in C language.
5 Write C program to implement stack using arrays.
6 Write an algorithm for selection sort. Sort the list given below in ascending order by using this sorting technique. 64 , 25, 12, 22 , 11.
BT0066, Database Management Systems
1 Draw and explain the diagram of SQL server 2000 architecture.
2 Why relational data model is important? Explain the terms relation and tuple.
3 What is the system catalog in RDBMS? Also explain what information is stored in the system catalog.
4 Explain semantics of TRC queries with examples.
5 Explain data fragmentation with an example.
6 Describe the approaches for incorporating object orientation capabilities in databases.
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SMU BSCIT SEM 2 SUMMER 2015
BT0068, Computer Organization and Architecture
- 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:
- S A0, A 1 2 B0, B 012.
- 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.
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BT0070, Operating Systems
1 Describe batch operating system. Explain its advantages and disadvantages.
2 Write short notes on:
- Critical section problem
- 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?
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