midterm exam. compro (part2)

A program that displays 2ⁿ.

Choose the best answer for blank (b).

• m = 2*i;

• m = 2^n;

• m *= 2;

• m *= i;

• Skip

Find the output shown on the screen from this program.

• 97531

• 13579

• 95173

• 1

• Skip

The electrical current I (A) is calculated by I = V/R

where V is the voltage (V) and R is the resistance (Ω). By varying the resistance from 1 Ω to 5 Ω, find the current when the voltage is 1 V. Complete the for statement as shown in the image.

Choose the best answer for blank (a).

• R = 0; R < 1.0; R++

• R = 0; R <= 5; R++

• R = 0; R < 6; R++

• R = 1.0; R < 6.0; R++

• Skip

The electrical current I (A) is calculated by

I = V/R

where V is the voltage (V) and R is the resistance (Ω). By varying the resistance from 1 Ω to 5 Ω, find the current when the voltage is 1 V. Complete the for statement.

Choose the best answer for blank (b).

• I = 1.0/R;

• I = 0.1/R;

• I = 5/R;

• I = 1.0;

• Skip

Find the last value of u when the loop end

• 1

• 3

• 5

• 7

• Skip

What will be the output of the following C code?

• In for loop After loop

• After loop

• 5

• Compile time error

• Skip

The program displays a multiplication table and allows the user to specify the size of the table. Complete the missing parts of the program.

Choose the best answer for blank (a).

• i=1; i<12; i++

• n=1; n<=i; n++

• i=1; i<=n; i++

• i=1; i<n; i+=2

• Skip

The program displays a multiplication table and allows the user to specify the size of the table. Complete the missing parts of the program.

Choose the best answer for blank (b).

• i*i

• i*j

• j*j

• ixj

• Skip

Which of the following array initialization statements is valid?

• int ary{ } = {1, 2, 3, 4};

• int ary[ ] = [1, 2, 3, 4];

• int ary[ ] = {1, 2, 3, 4};

• int ary{4} = [1, 2, 3, 4];

• Skip

Which of the following statements assigns the value stored in x to the first element on an array, ary?

• ary = x;

• ary = x[0];

• ary = x[1];

• ary[0] = x;

• Skip