WBSSC Exam Question Paper

Here I am looking for the last year question paper of West Bengal School Service Commission (WBSSC) Computer Application Exam, can you please provide me the same??

[Arun Vats]

As you are looking for the last year question paper of West Bengal School Service Commission (WBSSC) Computer Application Exam, so here I am sharing the same with you

P-I

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?
c) Realize an Ex-or gates using NAND gates only.
d) Draw the block diagram of a Computer.
e) Differentiate between ROM and RAM.
f) What are the advantages of Magnetic disks?
g) List various input devices.
h) What is the relationship between hardware and software?
i) What are the limitations of machine languages?
j) List various output devices.
k) What are the main purposes of an operating system?
l) What are the main advantages of the multiprogramming?
m) What is the purpose of Command Interpreter?
n) What is the difference between compiler and interpreter?
o) What do you understand by Spooling?

P-II
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?

P-III

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) What is Computer?
b) What is the difference between EPROM and EEPROM?
c) What do you understand by single chip microcomputers?
d) Why do a computer use binary numbers for its internal processing?
e) What is 2’s complement of a binary number? Find 2’s complement of 1101 binary number.
f) Differentiate sequential and direct access devices…
g) Describe the working of Bar-code reader.
h) What is Speech Synthesizer?
i) Describe system software.
j) Define databases.
k) What is the function of Assembler?
l) What is the difference between turnaround time and response time?
m) What are the advantages of virtual memory?
n) What is internet?
o) Define Client Server architecture.

Will any one like to share the question paper of West Bengal Staff Selection Commission (WBSSC) computer science exam?

[Quick Sam]

As per your request, I am giving you sample paper of the West Bengal Staff Selection Commission (WBSSC) computer science exam.

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?