Comp Sci Unit 3.b

Comp Sci Unit 3.b

11th Grade

15 Qs

quiz-placeholder

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Comp Sci Unit 3.b

Comp Sci Unit 3.b

Assessment

Quiz

Computers

11th Grade

Easy

Created by

Nicholas Nessralla

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A school is developing a program to keep track of information about students and their class schedules. In which of the following instances would a data abstraction be most helpful?

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

A program includes multiple comments that could be combined into a single comment

A program includes repeated programming statements that could be moved inside a loop

A program includes repeated code that could be moved inside a function.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

var list = [10, 5, 15]; for(var i = 0; <INSERT CODE>; i++){ console.log(list[i]); }

Which of the following will result in ONLY all the items in list being printed to the console if placed where the program reads <INSERT CODE> and the program is run?

i < list[list.length]

i < list.length

i < list[0]

i < list[1]

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

wordList is a list of words that currently contains the values ["tree", "rock", "air"]

Which of the following lines will result in the list containing the values ["air", "rock", "air"]

wordList[0] = wordList[2]

wordList[2] = wordList[0]

insertItem(wordList, 0, "air")

removeItem(wordList,0)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


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

var numList = [10,20,30]; console.log(numList[numList.length-1]);

2

3

20

30

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


What will be displayed when this program finishes running?

var numbersList = [20, 10, 5] appendItem(numbersList, 50) appendItem(numbersList,100) removeItem(numbersList,1) insertItem(numbersList, 0, 30) console.log(numbersList.length)

3

6

7

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


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

var count = 0 while (count != 5){ console.log(count); count = count + 2; }

0 2 4 6

0 2 4

2 4 6

The program will result in an infinite loop

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will the following program display in the console?

for(var i = 0; i < 4; i++){ console.log(i); }

0 1 2 3

0 1 2 3 4

1 2 3

1 2 3 4

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