Diploma computer engineering papers

I am pursuing Diploma in Computer Engineering form IGNOU so please provide previous year question papers for preparation of exam?

[Kiran Chandar]

For your semester exam preparations, its best to use past years IGNOU Diploma Computer Science and Engineering question papers. These papers are very helpful to understand paper pattern.

Here I am providing you PDF’s of previous year question papers of Diploma Computer Engineering.

Diploma CE Computer Organization paper

1. (a) Grey code numbers differ from the 2
preceding and the succeeding no. by two
bits.
(i) True (ii) False
(b) In the star topology the various computers 2
are attached to a different points.
(i) True (ii) False
(c) 2's complement of 0101 is : 2
(i) 0111 (ii) 1001
(iii) 1011 (iv) 1110
(d) Binary code is a non weighted code. 2
(i) True (ii) False
(e) The local area networks are also known as 2
Long Haul Networks.
(i) True (ii) False
(f) There are 4 layers in TCP/IP. 2
(i) True (ii) False
(g) Mnemonics are used in high level language. 2
(i) True (ii) False
2. (a) Convert the following nos. from decimal to 7
octal and then to binary. Compare the
binary nos. obtained with the binary nos.
obtained directly from the decimal nos.
(i) 375 (ii) 249
(b) Explain different complementing schemes 7
and then compare them.
3. (a) What is the difference between system
7
software and application software ?
(b) Why programs written in high level 7
language or assembly language are
translated before execution ?
4. (a) What are the major functions of network 7
operating system ?
(b) What are the advantages and disadvantages 7
of time sharing system ?
5. (a) What do you mean by network topology ? 7
Explain the following in brief.
(i) star topology
(ii) tree topology
(iii) ring topology
BICS-027 2
(b) What is meant by FTP service ? Under what 7
circumstances would you like to use FTP ?
6. (a) Explain how computers are being used in
7
banking and financial institutions ?
(b) What are the application of computers in
7
medical science ?
7. (a) What are auxiliary storage devices ? Can a
7
hard disk be categorized as an auxiliary
storage device ? What are the performance
parameter of HDD ?
(b) What do you mean by computer 7
generations. List the major advances in each
generation in the development of computer
technology.
8. Write short notes on : (any four) 3.5x4=14
(a) Data communication equipment
(b) Classification of computers
(c) Internet and its application
(d) Computer application for weather
forecasting
(e) Network protocol
(f) Operating systems



Diploma CE PC Assembly and Maintenance paper

1. (a) Tera is 2 to the power of : 2
(i) 32 (ii) 30
(iii) 40 (iv) 25
(b) The minimum no. of bits required to 2
represent a character from ASCII code set
is :
(i) 2 (ii) 5
(iii) 7 (iv) 8
(c) Which of the following is an example of out 2
put device ?
(i) Mouse (ii) Keyboard
(iii) MICR (iv) Speaker
(d) The cast of storing a bit is minimum in : 2
(i) Cache (ii) Register
(iii) RAM (iv) Magnetic tape
(e) A chip having 150 gates will be classified 2
as :
(i) SSI (ii) MSI
(iii) LSI (iv) VLSI
(f) Bi-polar devices are desirable in the 2
fabrication of which of the following
component.
(i) Main Memory
(ii) Cache Memory
(iii) Micro Program Memory
(iv) All of above
(g) Which of the following units can be used to 2
measure the speed of a computer ?
(i) SYPS (ii) MIPS
(iii) BAUD (iv) FLOPS
2. (a) Differentiate between static and dynamic 7
random access memory with suitable
diagram.
(b) What is Bus ? Discuss various types of buses 7
with their features.
3. What do you understand by level of memory 14
hierarchy ? Discuss various design considerations
of memory hierarchy.
4. What is the optical storage ? Also discuss CD-R, 14
CD-RW, CD ROM in detail.
BICS-028 2
5. Describe various modes of data transfer. Also 14
discuss how DMA mode is better than other
modes.
6. (a) Discuss construction and working of a 7
magnetic disk. Also discuss various
components of disk access time.
(b) Draw the SMPS block diagram and explain 7
it's function in detail.
7. (a) What do you mean by RAID technology ? 7
Explain with suitable diagram.
(b) What do you mean by data transfer rate, 7
Access time, and constant linear velocity ?
8. Write short notes on any four : 4x31/2=14
(a) ISA
(b) Cache Memory
(c) HMA
(d) IDE
(e) Mouse
(f) Holographic storage



Diploma CE Algorithms and Logic Design paper

1. Choose the correct answer from the four given
alternatives.
(a) The best average behaviour as per time 2
complexity is shown by :
(i) Quick sort
(ii) Merge sort
(iii) Heap sort
(iv) Insertion sort
(b) What is the maximum total number of
nodes in a tree that has N levels ? Note that
the root is level (Zero) :
22n
2N+1 _1
2N
2N — 2N

(c) The average number of comparisons in 2
sequential search is :
(i) n2
n+ 1
(iv) 2
(d) The average computing time of heap sort is : 2
(i) 0(n2)
(ii) 0(n logs)
(iii) 0(logs)
(iv) 0(n3)
(e) The worst case time complexity of insertion 2
sort is :
(i) 0(n2)
(ii) 0(n logs)
(iii) 0(n3)
(iv) 0(logs)
(f) Which of the following algorithm design 2
techniques is used in finding all pair shartest
distance in a graph ?
(i) Dynamic programming
(ii) Back tracking
(iii) Greedy method
(iv) Divide and Conquer

(g) What is the name of output code from either 2
a compilar or an assembler ?,
Source code
Object code
Op-code
Psuedo code
2. (a) What do you mean by analysis of an 7
algorithm ? Write an algorithm for binary
search tree and analyse it.
(b) Differentiate between straight sequential 7
search and binary search technique with
example.
3. (a) Write divide and conquer approach for 7
binary search and calculate it's average time
complexity.
(b) Explain all the stages of Program 7
Development Life Cycle.
4. (a) What is the complexity ? Write the types of 7
complexity and also explain Big-oh and
Big-omega notations.
(b) Solve the Recurrence relation using iteration 7
method.
T(n) = K.T I k I + n2
Where T = 1 and K is any constant

5. (a) Draw a flow chart to arrange N-numbers 7
in descending order.
(b) Write an algorithm for quick sort. Analyse
the time complexity of your algorithm.
7
6. (a) Write an algorithm for deleting duplicate
7
numbers from a leaner array.
(b) Describe in brief the garbage collection and 7
compaction.
7. (a) Write Pseudo code for selection sort. 7
(b) Write an algorithms for merge sort. Sort the
7
following values as per your algorithm
2,3,7,4,6,1,9,5 .
8. Write short notes on any four :
(a) Shell sort
(b) Bucket sort
(c) Recursive algorithm
(d) Component of Flow Chart
(e) Algorithm validation
(f) Bubble sort


Diploma CE C’ Programming paper

1. Choose the correct option : 2
(a) Which punctuation is used to signal the
beginning and end of code block ?
(i)
(ii)
(iii) Both (i) and (ii)
(iv) None of the above
(b) Which of the following is allowed in C 2
arithmetic instruction ?
(i) [ (ii) 1
(iii) (iv) « »
(c) Array supports : 2
(i) Static Memory allocation
(ii) Dynamic allocation
(iii) Both
(iv) None of above
(d) Char data type takes Bytes to 2
store a variable (in 16 - Bit compiler).
(i) TWO (ii) ONE
(iii) THREE (iv) FOUR
(e) If a =10, then if z = + + a; the value of z is :
(i) 10 (ii) 12
(iii) 11 (iv) None of the above
(f) The range of int is :
2
(i) 0 — 255
(ii) —128 to 125
(iii) —32768 to 32767
(iv) None of above.
(g) 'While is a : 2
(i) keyword (ii) identifier
(iii) variable (iv) None of the above
2. (a) Write a C program to check whether a 7
number is armstrong or Not ?
(b) Write a C program to calculate the area of 7
a triangle whose sides are a,b and c.
3. (a) Explain the three - level schema architecture 6
of DBMS.
(b) What is data ? How it is differ from 8
information ? Explain by giving a suitable
example. Where the information is stored
in computer ?
4. (a) What is an array ? Write a C program to 7
find transpose of a Matrix.
BICS-030 2
(b) Write a C program to print the following 7
using loops :
5. (a) What is computer ? What are the various 8
characteristics of a computer ? Draw a
block diagram of computer ?
(b) Write the syntax of 'while' and 'do while' 6
statements. Also differentiate between
them by giving an example.
6. (a) What is operator ? Explain various 7
operators in C by giving a suitable example.
(b) Write a C program to calculate the 7
compound interest.
7. (a) What is file ? Write a C program to create a 7
file and display its contents.
(b) What are the Key Constraints in DBMS ? 7
Explain each constraints by giving a suitable
example.
8. Write short notes on (Any four) : 3.5x4=14
(a) DDL and DML
(b) CAD
(c) CAM
(d) RDBMS
(e) Software
(f) Hardware


Diploma CE Basics of Networking paper
1. (a) What is computer network ? Explain the 7
criteria and targets of computer network.
(b) Explain the network features like file 7
sharing, printer sharing and application
services.
2. (a) What are Topologies ? Explain Ring 7
Topology and Star Topology with neat and
clean diagram. Also their advantages and
disadvantages in detail.
(b) What do you understand with network
7
control devices explain Gateways and
modems in detail ?
3. (a) Explain guided and unguided media with
7
proper example. Explain UTP/STP with
proper diagrams.
(b) What is Coaxial Cable ? Explain it with neat 7
and clean diagram and also write its
applications.
4. (a) Compare OSI reference model with 9
TCP/IP mode with suitable diagrams.
(b) What is subnet mask address ? And how it 5
affects to the following ?
(i) Default mask address
(ii) Number of subnet and Host per
subnet.
5. (a) Explain in detail the data link layer, session
7
layer and application layer with proper
diagrams.
(b) What is the use of Router in computer
7
network ? Differentiate Router with Bridge
Network control device.
6. (a) Classify the network by peer to peer
7
component role.
(b) Compare LAN and MAN in detail with
7
their advantages.
7. Write the short notes on any two of the
following : 7x2=14
(a) ICPM
(b) UDP
(c) ALOHA
(d) Repeaters