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  #1  
18th August 2014, 02:53 PM
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West Bengal School Service Commission Computer Science previous years question papers

Will you please share with me the West Bengal School Service Commission Computer Science previous years question papers?
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  #2  
19th August 2014, 10:07 AM
Super Moderator
 
Join Date: Apr 2013
Re: West Bengal School Service Commission Computer Science previous years question pa

As you want to get the West Bengal School Service Commission Computer Science previous years question papers so here it is for you:

a) Why should one study octal & Hexadecimal systems when the digital machine understands only binary system?

b) Simplify the Boolean equation (A + AB).

c) Where do we use signed binary number?

d) Convert decimal 1000 to octal and Hexadecimal system.

e) What is the utility of floating point representation of numbers?

f) Write the truth table of 2-input Ex-NOR gate.

g) How NOT gate function can be obtained from NOR gate?

h) Explain where do we use MUX?

I)What is the function of an Encoder?

j) Define with example, a combinational circuit.

k) Draw a labelled block diagram of a -ve edge triggered J-K Flip Flop.

l) Explain difference between volatile and Non-volatile memories.

m) Explain what do you mean by secondary memories.

n) What are the applications of D-Flip Flop?

o) Where do we use DC PRESET and DC CLEAR terminals in Flip Flops?

a) A resistor has a colour band sequence gray, blue, orange and gold. What is the range of its value so as to satisfy manufacturer’s tolerance?

b) What do you mean by self inductance?

c) Define turns ratio in a transformer?

d) What do you mean by intrinsic semiconductor?

e) Which is better in a rectifier circuit – vaccum diode or semiconductor
diode?

f) Which logic gate produces high output when both the inputs are same?

g) What do you mean by Universal logic gates?

h) Define Demultiplexer.

What do you mean by flip flop?

j) What is binary counter?.

k) What is microprocessing unit (MPU)?

l) What is the direction of information flow in address bus in a
microprocessor?

m) What is the function of accumulator?

n) Define opcode?

o) What is the instruction to load the register B?

a. Differentiate between data and information with suitable examples.

b) Explain with example procedure to convert octal number to binary
number.

List two devices which can be used as input as well as output device..

What do you understand by write protection of floppies and how is it
done?

e) What are the disadvantages of OMR?

f) What do you understand by spooling?

g) What is batch processing?

h) Define multiprogramming.

Differentiate between RAM and ROM.

j) What is a cache memory? Distinguish between L1 and L2 cache.

k) Differentiate between single user and multi-user system.

l) If on the DOS prompt, ABC is typed and on the disk(say C:>), there
are three files ABC.COM, ABC.EXE and ABC.BAT. Which of the three
files will be executed? Why?

m) What is warm booting?

n) List four facilities provided by Internet through WWW?

o) What is the role played by modem in networking?

Contact Details:
The West Bengal Regional School Service Commission - Southern Region
84, Sarat Bose Rd,
Bhawanipur,
Kolkata,
West Bengal 700026 ‎
033 2485 1415
India

Map Location:
[MAP]https://www.google.co.in/maps?q=West+Bengal+School+Service+Commission+&hl=e n&ll=22.526888,88.352716&spn=0.012071,0.021136&sll =21.125498,81.914063&sspn=24.79385,43.286133&t=m&z =16&iwloc=A[/MAP]
  #3  
21st March 2015, 02:50 PM
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Re: West Bengal School Service Commission Computer Science previous years question pa

Will you provide me the previous years question paper of the West Bengal School Service Commission Computer Science entrance exam ?
  #4  
21st March 2015, 03:14 PM
Super Moderator
 
Join Date: Apr 2013
Re: West Bengal School Service Commission Computer Science previous years question pa

As you want I am here providing you sample paper of the West Bengal School Service Commission Computer Science entrance exam.

Sample paper :
What is data?

Define data structure.

Explain data type with examples.

What is infix notation?

Define data sorting.

If the characters ‘D’, ‘C’, ‘B’, ‘A’ are placed in a stack (in that order)
and then removed one at a time, in what order will they be removed?

What is an interpreter?

What is difference between character and string?

Define relational operator.

Why do we use header files?

Is the following statement valid? Justify your answer.
k = (char*)& m;
m = (float*)& p

What is the output of following program fragment.
x = 5;
y = x++;
printf (“%d%d”, x,y);

What is the difference between an algorithm and flowchart?

How is executable program obtained from source program in C?

What is the working principle of conditional operator? Give example.

What do you understand by the term coercion?

What is the difference between subscript and subscripted variable?

What do you mean by classes in classes?

Describe the meaning of multiple inheritance?

write down the order of the precedence of all the C++ operators.;

Is the following statement correct? Explain.
printf (“%d”, printf (“abc”));

Are the following statements valid? Justify your answer.
int m;
k = (char*) & m;

Write all the three standards defined by the ISO.

What is peer to peer process?

Differentiate between bit interval and period.

Categorize the four basic topologies in terms of line configuration.

Explain the concept of logical Token ring, how does token pass from one
node to another?

What is the difference between bit rate and baud rate?

Differentiate between TCP/IP model with OSI Model.

When the process is called synchronized & Un-synchronized?

Which states of the process lead to the termination?

Compare single relocatable portion & multiple fixed portions.

What are the preventions measures taken for successful system?

Explain the concept of transaction atomicity.

What is the principal advantage to building line-editing capabilities into
the operation system as opposed to leave it to the applications?

If the average seek time for the disk is 9ms, what is the average time to
read a sector.

Why the Shell is called the command interpreter?

Why are many Linux commands designed to perform simple rather than
complex tasks?

What is a trash?

What is Linux file system?

What are system logs?

Explain the command who and pwd.

Define topology.

Name different categories of network.

What is the function of physical layer of OS I model?

Define Internet protocol.

Name Internet upper-layer protocols.

What is asynchronous modem?

What is the difference between guided and unguided media?

What are periodic and aperiodic signals?

What is the difference between analog and digital signals?

Define noise absorption.

Define Ethernet.

What is 10Base-5 and 10Base-2?

What do you mean by remote access?

What is link control protocol?

What are token passing networks?

Convert the following numbers to octal number and vice versa :-
(i) 10101010 (ii) 0101000

b) Why 2’s complement is used in computers for representation of negative
numbers?

Realize an Ex-or gates using NAND gates only.

Draw the block diagram of a Computer.

Differentiate between ROM and RAM.

What are the advantages of Magnetic disks?

List various input devices.

What is the relationship between hardware and software?

What are the limitations of machine languages?

List various output devices.

What are the main purposes of an operating system?

What are the main advantages of the multiprogramming?

What is the purpose of Command Interpreter?

What is the difference between compiler and interpreter?

What do you understand by Spooling?

What is connection pooling?

What is system R? What are its two major sub systems?

Define data model and E-R model.

consumer to business e-commerce

business to business e-commerce

Explain the history of internet and e-commerce.

What are various abuses of internet? Mention recent trends and issues in
internet programming and e-commerce.

What is http header?

Mention four applications of internet.

What are advantages of ASP?

What are tools for editing IIS?


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