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What is C language?
C is a high-level programming language and first developed in 1972 by Dennis Ritchie and Ken Thompson at AT& T Bell Labs.
Why C is sometimes called a mid-level programming language?
C supports both low-level (machine) and high level programing that is why it is also known as a mid-level programming language.
What are the advantages and disadvantages of C language?
Advantage and disadvantage of C are
What is a variable?
A variable is a name representation of memory storage location and that value can change between program execution.
What is the difference between variable declaration and variable definition?
Declaration associates type to the variable whereas definition is value assignment of the variable.
What is a constant?
When variables are declared with the const keywordcalled constant. The value ofconstant never changed.
What is the difference between local variable and global variable in C?
Local variable: A variable which is declared inside function or block is known as local variable.
What is Storage Class in C and types of it?
The storage class represent scope and storage type in memory of variable in C.
What is auto keyword in C?
The auto keyword indicate that the memory location of a variable is temporary. Whereas by default every local variable of the function and block is automatic (auto).
What is the use of static variable in C?
A variable declared with static keyword, is known as static variable. The static variable retains its value between multiple function calls and has permanent scope.
What are register variables? What are the advantages of using register variables?
A variable is declared with a register storage class, known as register variable. The register variable is stored in the CPU register instead of main memory.
Storing of frequently used variable in register might be speed up the code as variable access is faster from register in compare from memory.
What is the purpose of type declarations? Or use of typedef?
The type declaration allow to create a name synonym for the existing data types that can help to simplify the complex declaration.
How do you know the size of a data type or variable?
The sizeof operator can measure the data type size.
What is type casting?
Converting one data type into another is known as type casting.
What is a function and advantages of it?
A function is a block of set of instruction that perform specific task.
When is the void keyword used in a function?
When declare functions with void then it will not require return a value.
Swapnil start from his home and walked 35 km towards east, after that he turned to his right and walked 20 km. He again turned to his right and walks 35 km. Finally, he turned to his left and walked 20 km and reached his office. How far is his office from his home?
How many 2 digit numbers are divisible by 6?
|HCF and LCM|
Find the smallest square number which is exactly divisible by 3, 5, 15, 18, 20 and 24?
HCF and LCM of two numbers are 82 and 574 respectively. if one of the numbers is 287, find the second number?
How many numbers between 1200 to 1500 are multiple of 13?
Find the total number of terms in the series : -3, 1, 5, 9,............., 101 ?
Find the sum of the first 20 terms of the series : 8, -3, 11, -6, 14, -12, 17, -24,....... ?
Find the missing term in the given series - 101, 120, 145, 168, (?), 224
Find the missing term in the given series - 11A13, 17E19, (?), 31O37, 41U43
Find the missing term in the given series - 2,4,8,3,9,27,4,16,(?),5,25,125
Which gas is fixed by Rhizobium bacteria present in the root nodules of a pea plant ?
The formation of sulphurous acid involves ?
The acid present in soft drinks is ?
The cathode of a dry cell is made of ?
The number of atoms present in the molecule of an element is known as its?
If the angle of incidence formed by a ray of light on a plane mirror is 37°, then the angle of refraction is?
A dynamo converts ?
If the time taken for hearing the echo of a girl's voice after reflection from a cliff is 6 seconds, calculate the distance of the girl from cliff ?
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