Units 6 and 7 Flashcard

Front

In which instance would a data abstraction be most helpful in a program to track student information and class schedules?

Back

The program includes individual variables to store the names of each student rather than a single list of students.

Front

Which condition will print all items in a list to the console when placed in ? Options: i < list.length, i <= list.length, i < list[0], i < list[1]

Back

i < list.length

Front

What will be displayed in the console when this program runs?

Back

30

Front

What will be displayed when this program finishes running?

Back

5

Front

What will be displayed in the console when the following program runs?

Back

The program will result in an infinite loop

Front

What will the following program display in the console?
for(var i = 0; i < 4; i++){
console.log(i);
}

Back

0 1 2 3

Front

What will the following program display in the console?
var sum = 0;
for(var i = 0; i < 5; i++){
sum = sum + i;
}
console.log(sum);

Back

10

Front

Which program results in filteredNames containing names of students 17 or older? for(var i = 0; i < ages.length; i++){ age = ages[i]; if(age < 17){ appendItem(filteredNames, age)} }, for(var i = 0; i < ages.length; i++){ age = ages[i]; if(age < 17){ appendItem(filteredNames, names[i])} }, for(var i = 0; i < ages.length; i++){ age = ages[i]; if(age >= 17){ appendItem(filteredNames, age)} }, for(var i = 0; i < ages.length; i++){ age = ages[i]; if(age >= 17){ appendItem(filteredNames, names[i])} }

Back

for(var i = 0; i < ages.length; i++){ age = ages[i]; if(age >= 17){ appendItem(filteredNames, names[i])} }

Front

Which of the following is NOT a possible combination of values of the variables in this program when it finishes running? Options: tails has a value of 0 and heads has a value of 100, tails has a value of 100 and heads has a value of 0, tails has a value of 20 and heads has a value of 20, tails has a value of 50 and heads has a value of 50

Back

tails has a value of 20 and heads has a value of 20

Front

Simulate 1000 customer orders: 60% full meal, 40% side dish. Replace in program: random(1,100) = 40, random(1,100) = 60, random(1,100) <= 40, random(1,100) <= 60.

Back

random(1,100) <= 60