Programming & Computer Science Answers

2. Using the online compiler •

Enter the code

int main(int argc, char *argv[]) {
	
	byte_t first_byte = 128;
	byte_t second_byte = 1;
	int    shift;
	
	printf("Enter the number of left/right shifts: ");
	scanf("%d", &shift);
	printf("\n\n");
	
	// Right-shift first_byte
	first_byte = first_byte >> shift;
	
	// Left-shift second byte
	// This is the equivalent of second_byte = second_byte << shift; 
	second_byte <<= shift;		
	
	// Display the results
	printf("128 >> %d = %d\n", shift, first_byte);
	printf("1 << %d = %d\n", shift, second_byte);
	
	system("pause");
	return 0;
}

You will be prompted to enter a value for the number of shifts. Initially enter the value of zero

Repeat the previous two steps with values of 1, 2, 3, 4, 5, 6, 7 and 8

10. Using the online compiler

• Write a program using a for loop that counts upwards from 0 to 100 in steps of 2.

9. Using the online compiler

• Write a program that counts down from 100 to 0 using a for a loop.

8. Using the online compiler

• Write a program that counts upwards from 0 to 100 using a for a loop. •

7) Using the online compiler

Enter the code

int main(int argc, char *argv[]) {
	
	int a, b;
	
	// Obtain values for a and b
	printf("Enter the value for integer a: ");
	scanf("%d", &a);
	printf("Enter the value for integer b: ");
	scanf("%d", &b);
	printf("\n\n");
	
	// Compare a and b
	if (a > b)		      // Testing for a greater than b
	{
		printf("a (%d) is bigger than b 0(%d)\n", a, b);
	}
	else if (a == b)      // Testing for equality
	{
		printf("a (%d) is equal to b (%d)\n", a, b);		
	}
	else				  // Otherwise a must be less than b
	{
		printf("a (%d) is less than b (%d)\n", a, b);		
	}
	
	system("pause");
	return 0;
}

• Run the program (which uses for loops and arrays).

Instructions:

1. Input a positive integer. This will serve as the starting point of the loop.
2. Using a while() loop, print out all the odd numbers starting from the inputted integer, until 0. The outputted numbers must all be separated by line.
3. Also remember that since the loop goes to descending order, a decrement variable shall be created and decreased per iteration for the loop to terminate when it reaches 0.

Instructions

1. Create a variable and assign it to an input() function that will accept an integer greater than 0.
2. Using a while() loop, print out all the odd numbers starting from the inputted integer, until 0. The outputted numbers must all be separated by line, just like that of the sample output.
3. Also remember that since the loop goes to descending order, a decrement variable shall be created and decreased per iteration for the loop to terminate when it reaches 0.

Input

A line containing an integer.

10

Output

Multiple lines containing an integer.

9
7
5
3
1

Simple Payroll

Write a Javascript Program to Add,Delete employees in a payroll list.

1. The payroll program should input the following:

Employee Name     Days Worked     Daily Rate   Deduction Amount

2. During Addition, the program should display the following in a table:

No.  Employee Name   Days Worked   Daily Rate   Gross Pay   Deduction Amount  Net Pay

where:

     No. = is the Payroll List Line number

     Gross Pay = Days Worked * Daily Rate

      Net Pay = Gross Pay - Deduction Amount

 3. During Deletion, the program should ask for the Line Number to delete and update the table

Write a Javascript Program (1 HTML File) that will input an integer value n and display (upon a button click) the following:

     1. The nth factorial (Using a While Loop)

     2. The sum of the first n numbers (Using a Do While Loop)

     3. The Average of the first n numbers (Using a For Loop)

Income Tax Calculator Program

Input the Taxable Income and Compute the income tax using the following table:

*Note: Do not use prompts for user inputs. Use the HTML input tag.

over but not over Rate

--- 250,000 0%

250,000 400,000 20% of the excess over 250,000

400,000 800,000 30,000+25% of the excess over 400,000

800,000 2,000,000 130,000+30% of the excess over 800,000

2,000,000 8,000,000 490,000+32% of the excess over 2,000,000

8,000,000 ---- 2,410,000+35% of the excess over 8,000,000

Ex)

Taxable Income Income Tax

180,000 0

320,000 14,000

520,000 60,000

930,000 169,000

2,400,000 618,000

10,000,000 3,110,000

1. Can a program be correct and still not exhibit a good quality? Explain using or referencing a specific program as an example to support your answer

2.Is it possible to assess the quality of software if the customer keeps changing what it is supposed to do?