What ever data we pass through the enclosed parentheses of printf function will get printed on the output screen and the data can be integers,characters or strings. There are exceptions in some cases like usage of loops for, do while etc which we will learn later. The last line of code getch is actually a standard input library function in C language. Upon executing the getch function the program control will wait until a character is inputted by the user from keyboard.
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Addressing mode is a way to address an operand. Operand means the data we are operating upon in most cases source data. It can be a direct address of memory, it can be register names, it can be any numerical data etc.
I will explain this with a simple data move instruction of When this instruction is executed, the data 6AH is moved to accumulator A. There are 5 different ways to execute this instruction and hence we say, we have got 5 addressing modes for They are 1 Immediate addressing mode 2 Direct addressing mode 3 Register direct addressing mode 4 Register indirect addressing mode 5 Indexed addressing mode.
The picture above describes the above instruction and its execution. The opcode is saved in program memory at address. The data 6AH is saved in program memory See, any part of the program memory can be used, this is just an example When the opcode 74H is read, the next step taken would be to transfer whatever data at the next program memory address here at to accumulator A E0H is the address of accumulator.
This instruction is of two bytes and is executed in one cycle. So after the execution of this instruction, program counter will add 2 and move to o of program memory. Direct Addressing Mode This is another way of addressing an operand.
Here the address of the data source data is given as operand. Lets take an example. When this instruction is executed, what ever data is stored in register 04H is moved to accumulator. In the picture below we can see, register 04H holds the data 1FH.
So the data 1FH is moved to accumulator.
As shown in picture above this is a 2 byte instruction which requires 1 cycle to complete. Program counter will increment by 2 and stand in Write a c program for selection sort. 4. Write a c program for quick sort. Write a c program for heap sort. 6.
Write a c program for merge sort. 7. Write a c program for shell sort. 8. Big list of c program examples. Email This BlogThis!
Share to Twitter Share to Facebook Share to Pinterest. Post a Comment. Selection sort algorithm starts by compairing first two elements of an array and swapping if necessary, i.e., if you want to sort the elements of array in ascending order and if the first element is greater than second then, you need to swap the elements but, if the first element is smaller than second, leave the elements as it is.
This is a C Program to sort an array in ascending order. Problem Description This program will implement a one-dimentional array of some fixed size, filled with some random numbers, then will sort all the filled elements of the array.
Write a program in the c programming language to print all the even numbers up to the inputted number by using the for loop statement.
Below is the solution of the C program –. Write a program in the C programming language to check if the inputted number is a prime number or not. In this program for loop is used to create numbers from 2 to n-1 to check if they are divisible by n or not and if any of them is divisible then the control is transferred outside the for loop by using the break statement and the result is printed in negative.
This C Program implements a Selection sort.
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Selection sort works by finding the smallest unsorted item in the list and swapping it with the item in the current position.