Wednesday, January 19, 2011
Tuesday, January 18, 2011
jntu-k c-language important questions for 1st year ist semister
C language
Unit-1
1.define algoritm?
2.what is the use of flow chart?
3.what are the different steps followed in the program development?
4.write about space requirement for variables of different data types?
5.what is an operator? Describe the different types of opearator that are included wit in the ‘c’ language with the example for each?
6.what are the logical operator used in c
7.what are uniary operator?
Unit-2
In what way ‘if statement is different from switch statement? Write a program using switch statement to manipulate students grade system?
2.explain about the concept of multiway selection and the different ways of implementing with examples
3.explian
a.mask
b.rotation
4.what are logical oprators are used in c?illustrate with examples
5.explain about shift oprator?
Unit-3
1.list and explain with examples the common applications for loops?
2.Difference between break and continue statement with examples?
3.suppose a break statement is included with in the innermost of several nested control statement what happens when break ststement is ececuted?
4.what is the purpose of break statement?
5.what is meant by looping?
6.why ‘while statement is called repetation structure?
7.explain briefly about string classifications?
Unit-4
1.what is the advantage of using arrays?
2.
Different types of arrays?
3.how arre multidimensions array defined?
4.how multidimensions array is passed to functions how are the formal arguments declarations written?compare ith one dimensional array?
Unit-5
1.what is a function?what are the different types of functions?explain functions with no arguments and no returns type with an example?
2.explain about call-by value with an example?
3.differeiante between userdefined and built function?
4.what are the facilities provided by the preprocessor statement?explian with a program/
5.write aprogram to generate fibbacci series?
6.write arecrucive function power that when involved returns base exponent?
7.write a c program that uses a function to sort an array of integers?
Unit-6
1.write a short notes on pointere?
2.write a c program that uses a pointer as a function argumeny?
3.if m and n have been declared as integers and p1 and p2 as pointer to integers then find out the errors if any of the following statements?
1.p1=&m:
2.p2=n:
3.m=p2=p1:
4.*p1=&n:
4.state wheather each of the following state is true or false give reasons
a.an integer can be addede to a pointer
b.a pointer can never be subtracted from anoth er pointer.
c.when an array is passed as an argument to afunction apointer is passed
d.pointer cannot be used as formal parameters in headers to function definition
Unit-7
1.define structure?write rule for declaring structure and accesing with a program?
2.how structure is different form an array?explain
3.explian the concept of nesting of structure and accessing structure numbers with a program?
4.Write a short notes on array of structure?
5.how an array be included as a member of a structure?
6.how bits are manipulated using bit fields in ‘c’ explain?
7.how to compare structure variables?give examples?
8.how an array be included as a member of a structure
unit-8
1.write the syntax for opening a file with various modes and closing a file?>
2.distinguish between text mode and binary mode operations of a file?
3.explian about file handling functions?
4.write a program to read a textfile and to commit
a.number
b.number of words
c.number of sentences and write in an output file.
5.write a program to open a preemisting file and add information at the end of the file .display the contents of the file before and after appending?
jntu-k chemistry important questions for 1st year ist semister
Chemistry
Unit-1
1.state and explain first law of thermodynamics?
2.what is joule-thomson effect/ write its experiment?
3.discuss the second law of thermo dynamics or law of entrophy/
4.calculate the change in entrophy when one moleof water at 100’c evaporates completely the latentheat of vaporization of water is 9650 cal/mole
5.expalin the principle of air conditions with neat diagram?
6.expalin the desalination process?
7.what is law of mass actions?add anote on equillibrum constant??
8.write short notes on ionic p
roduct of water?
9.state ph scale with its range?
10.state and wxplain le chateliers principle?
11.write about
a.solubility product
b.fraction affecting solubility product
c.application of solubility product
unit-2
1.explain about homogenious and hetrogenious catalysis?
2.write a short note on mechanism of catalytic action/
3.explian about the different types of colloidal systems
4.define the fermentation process and brief explain about the conditions favorable for fermaenatation
5.explian the concept of viscosity and mention the factors influencing viscocity/
6.state and prove bernoli’s theaorem/
Unit-3
1.differnnce between photochemical reactions and thermodynamics reactions?
2.briefly mention about different laws of photochemistry/
3.Explain the consequences of light absorption using jablonki diagram?
4.define sensors?how many types of sensors are there?
5.what do you understand by ion selective electrodes?while a note on its principles and working?
6.what do you understand by nuclear magnetic resources?explian the principle involved in it?
7.give few applications of nmr?
Unit4
1.define superconductivity and list out the properties of superconductors?
2.define semiconductor.explian about n-type and p-type semiconductors?
3.what are intrinsic semiconductors?explian the conductor of n-type and p-type semiconductor?
4.what are storage devices?explian about primary and secondary storage devices?
5.explian
a.floppy disk
b.cd
c.pendrive
unit-5
1.distinguish between solid,liquid,and gaseous fuels?
2.write a neat diagram explain how the colcrific value of a solid fuel in determine using a homb colorimeter?
3.brief and explain about the different types of carlinization of coal
4.brief explain about the ultimate analysis in determining analysis in quality of coal?
5.distinguish between pronimate and ultimate analysis of coal
6.briefly explain working of thermal power station with diagram
Unit-6
1.define electrode potential and write briefly on single electrode potential
2.derive the nervest equqtion whwt are its applications
3.write in detail about concentration cells?
4.discuss the theoretical periniciple involves in the construction and operation of any two important primary cells
5.write briefly on fuel cells with their advantages and disadvantages?
Unit-7
1.explian the following nuclear enegy
a.radio activity
b.radio active decay
c.nuclear stability
2.differntiate the binding energy form bond enegy?
3.briefly explain about nuclear fission an nuclear fussion rreactions?
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