CS1 Pre/Mid/Post Test

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Multiple Choice. Choose the best answer for each.

FIRST NAME *

LAST NAME *

To add numbers together we use the symbol *

1 point

The symbol for modulo is *

1 point

To input data into a program we use which command? *

1 point

cin

cout

get

input

sum=sum+1 can also be represented by *

1 point

num++

sum + num

sum += num

sum++

A for loop that is inside another for loop is called a ______ loop. *

1 point

grouped

nested

linked

netted

This can be used to keep track of how many times an operation is performed in a program. *

1 point

counter

tracker

follower

array

<iostream>, <iomanip>, <cstdlib>, and <cmath> are all types of c++ *

1 point

loops

libraries

schools

cases

One of the most common types of sorts is a _________ sort. *

1 point

gum

balloon

bubble

burst

In the line r=rand()%5 the range of the random number gernerated is from *

1 point

0-4

0-5

1-6

0-6

To end a line or return in a program you can use *

1 point

cout<<endl;

cout<<returnline;

cout<<lineskip;

cout<<lineend;

The symbols <, >, <=, and >= are used when *

1 point

comparing variables

setting variables equal

printing same variables

making variables not equal

What is used to enter a long list of data into a generated list of variables? *

1 point

library

array

case

while

cout<<"Enter Grade<<endl; is missing what symbol? *

1 point

;

In order to increment, what is missing in for(int i=0; i<=10; i) *

1 point

What is wrong with num2=num1; in this code? temp=num1; num2=num1; num2=temp; *

1 point

num1=num2;

num1=temp;

temp=num2

correct as is

Which type of variable is more precise with decimals? *

1 point

int

float

char

double

What does if( c != 6 ) mean? *

1 point

if c is louder than 6

if c is equal to 6

if c is not equal to 6

if 6 is equal and louder than c

What should be corrected in the line if ( x = 5 ) *

1 point

x is already 5

must be ==

should be 5 = x

correct as is

What is the value of x in this line? int x = (25/2); *

1 point

12.5

What is the value of x in this line? int x = 5%2; *

1 point

2.5

nan

What is wrong with this line? int num[5]={10,25,12,6}; *

1 point

must be float

too many elements

not enough elements

correct as is

In the line int num[5]; what does the num part represent? *

1 point

type of variable

name of an element

number type

variable name

In the line r=rand()%6; what does the %6 part represent? *

1 point

range from 0-6

range from 1-6

range from 0-5

range from 1-5

Which would not be a variable created for the elements of name[3]? *

1 point

name[0]

name[1]

name[2]

name[3]

We use cout and cin to output and input data to what? *

1 point

monitor

console

mouse

keyboard

The setw() function always outputs in this justification. *

1 point

center

right

left

block

To end case 1: , you must have ______ before the next case. *

1 point

end case;

stop;

break;

hault;

pow(5,2) would output a value of ... *

1 point

To input data from a file, the C++ keyword is . . . *

1 point

inFile

cinFile

cin

fileIn

The library for input/output of data to a file is #include ________. *

1 point

What is the value for len? string a="tom"; int len=a.length(); cout<<len; *

1 point

tom

mot

When using if, else if, and else which does not have a condition? *

1 point

else if

else

all have conditions

Cases are most often used in programs to create a *

1 point

menu/choice list

infinite loop

nested loop

linked file

cout<<setprecision(3)<<fixed; would output how many decimal places for a float or double variable? *

1 point

system("PAUSE"); and system("CLS"); use the library #include _______. *

1 point

What extension do we use for the input file when using <fstream>? *

1 point

.dat

.wrd

.cpp

.txt

When Code Blocks builds and runs a program, what is it doing? *

1 point

creating .exe file (executable)

finding errors in code (debugging)

creating an object file

all of the above

The following line switch(choice) is associated with *

1 point

classes

cases

causes

checks

The father of computers is *

1 point

Steve Jobs

Blaise Pascal

Charles Babbage

Bill Gates

A step by step problem solving process in which a solution is arrived at in a finite amount of time. *

1 point

algorithm

function

compiler

execution

Words built in to a programming language are called keywords or ______ words. *

1 point

catch

command

reserve

category

DO is often followed by or paired with what other keyword? *

1 point

while

with

for

when

The character used at the end of an executable line in C++ is a _____. *

1 point

colon :

comma ,

quotes " "

semicolon ;

string a = "tom" creates an array. Which of the following would NOT be true? *

1 point

3 elements in array

a[2] = 'm'

cout<<a[1]<<a[2]<<a[3]; would output tom in console

a[0]='t' a[1]='o' a[2]='m'

Which of the following is NOT a valid variable or identifier? *

1 point

dog

cat

ant eater

elephant

What types of values can the switch structure use in its control expression? *

1 point

integers only

characters only

integers or characters

strings

The value of 3*4/(10%2) -18 would result in *

1 point

undefined / nan

-18

-16

Which of the following is NOT a valid comparison for use in an if( ) statement? *

1 point

The command infile.open("myfile.txt"); . . . *

1 point

opens a data file for processing

is needed only for storing data to a file

is used to close a data file on a disk drive

is used only when writing files containing numbers

Lines within a loop should have which symbols around them? *

1 point

parenthesis ( )

braces { }

brackets [ ]

quotation marks " "

What type of variable would give the following output specifically? 100 (no decimal) *

1 point

int x;

float x;

bool x;

char x;

What type of variable would give the following output specifically? 3.14159 *

1 point

int x;

float x;

bool x;

char x;

What type of variable would give the following output specifically? 10,54,-6.7,88.4 *

1 point

int x[4];

float x[4];

char x[4];

bool x[4];

What type of variable would give the following output specifically? 28.3 *

1 point

int x;

float x;

char x;

bool x;

What type of variable would give the following output specifically? spiderman *

1 point

int x;

float x;

char x;

string x;

What type of variable would give the following output specifically? A *

1 point

int x;

float x;

char x;

bool x;

How many times will the loop run? *

(see handout - code 1)

1 point

What is the output on the 2nd run? *

(see handout - code 1)

1 point

What do these lines of code represent? *

(see handout - code 1)

1 point

inputting data into array

counting

nested loop

outputting an array

Which variable represents the amount of numbers printed in the pattern? *

(see handout - code 2)

1 point

The lines with // in front of them are lines that are . . . *

(see handout - code 2)

1 point

executed at end of program

executed only during a loop

executed only once

not executed

How will the output of the pattern look? *

(see handout - code 2)

1 point

vertical with no blank line between

horizontal with no space between

vertical with blank line between

horizontal with space between

What is the for(int i=1; i<=n; i++) part of the program? *

(see handout - code 2)

1 point

loop to generate pattern backwards

loop to ask how many numbers in pattern

loop to input the pattern from user

loop to count from 1 to n

The program's code is . . .

(see handout - code 2)

1 point

missing a ; after int main()

missing another } at the very end of code

missing a ; at the end of the for loop line

correct as is

Clear selection

How much you know about a computer is called computer *

1 point

hardware

peripheral

fluency

data

Each of the following are types of input devices except *

1 point

keyboard

speaker

scanner

mouse

Which of the following is NOT related to the System Unit? *

1 point

Extension Chord

Mother Board

CPU

Memory Modules

I P O S are four letters that represent the 4 functions of a computer. What does the P stand for? *

1 point

peripheral

process

paper

Jump drives, floppy disks, and hard drives are types of *

1 point

keyboards

monitors

printers

storage devices

Information is the organization of *

1 point

data

ink

webpages

devices

1 byte of information is equal to how many bits? *

1 point

1024

The following are challenges facing a digital society today. Which one is NOT a challenge? *

1 point

Privacy Risks

Software Piracy

Turing on a computer

Which of the following would be a representation of DATA? *

1 point

mouse

picture

printer

paper

Intel, AMD, and Motorola are types of this on a computer platform. *

1 point

Operating System

CPU

Hard Drive

RAM

Microsoft Windows, IOS, Android are a examples of a computers what? *

1 point

Hard Drive

Browser

CPU

Operating System

CPU stands for Central Processing _______. What does the U represent? *

1 point

universe

unit

unity

usage

RAM stands for Random Access __________. What does the M represent? *

1 point

motherboard

memory

mouse

monitor

Each are types of printers except *

1 point

inkjet

laser

thermal

LCD

A CRT monitor is a Cathode ______ Tube. What does the R represent? *

1 point

RAM

ROM

ray

real

Printers, monitors, mice, and scanners are all type of computer *

1 point

motherboard parts

peripherals

keyboards

hard copies

QWERTY and DVORAK are types of *

1 point

Windows Systems

MS Word Files

Keyboards

Mac Operating Systems

The way you sit and type at a computer is called *

1 point

economics

ergonomics

exercise

edgenuity

This can be added to a computer to enhance/upgrade graphics, sound, modems. *

1 point

keyboard

expansion card

monitor

fan

The first virus that infected the boot sector of a floppy disk was named the *

1 point

Sector 1 Virus

Brain Virus

Boot Virus

Virus 1 Killer

The INTERNET was oringinally called this back in 1969. *

1 point

World Wide Web

ARPANET

SUPERNET

ONLINE WORLD

00000010 in binary represents what number? *

1 point

1024

When a variable is declared as an integer (int x) and the value happens to have decimals, what happens to the decimal part? *

1 point

rounded up

rounded down

truncated

entire decimal is shown

When you see c - - in a program, this means the value of c will what? *

1 point

increment by 1

decrement by 10

increment by 10

decrement by 1

If the user has to input an entire line of data (like a phrase with multiple words) into the variable p, what command is used? *

1 point

cin>>p;

inFile>>p;

getline(cin, p);

input p

The following command word.swap(name) only works with what type of variables? *

1 point

float

string

char

int

If a getline and a cin are both used together in a program that loops, what two commands must be added to clear the data? *

1 point

system("pause") and system("cls")

cin and cout

cin.ignore() and cin.clear()

cin.clear() and cout.ignore()

If the reverse command was applied to a variable with the word "TOM" stored in it, would would be the new value of the variable? *

1 point

TOM

MOT

OMT

T O M

What is the INTERNET? *

1 point

World Wide Web

The Infrastructure of a network (computers, wires, electronic devices)

The data and information stores on all computers

Google

AI stands for Artificial _______. *

1 point

Information

Internet

iPhone

Intelligence

When you click on "text" on a webpage and it takes you to another location on the Internet, the "text" is a what? *

1 point

Base Word

Hyperlink

Web Browser

Hyperspace

mp4, avi, wmv, and 3pg are what types of data? *

1 point

audio

graphics

video

numbers

The paper copy that comes out of a printer is called a _____. *

1 point

Hard Copy

Soft Copy

Technical Copy

Life Copy

When a password is limited strictly to numeric characters, it is often called a PIN. What does that acronym stand for? *

1 point

Print In Name

Perfect Identical Number

Personal Identification Number

Personal Information Node

Steve Jobs is famously one of the two men who co-founded Apple in 1976. The other co-founder was also named Steve. What was his last name? *

1 point

Jones

Warner

Wozniak

Tyler

Doug Engelbart was the inventer of what computer peripheral? The first one was made of wood. *

1 point

Keyboard

Printer

Floppy Disk

Mouse

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