midterm review jep.pdf

8/14/2019 midterm review jep.pdf

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Midterm Exam Jeopardy

Feb 25, 2013

Todays Categories

Computer Systems

Introduction to C++

Selection Control Structures

Repetition Control Structures

Word Puzzle


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ComputerSystems

RepetitionControl

WordPuzzle

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SelectionControl

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Intro toC++

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Computer Systems 1 pt

Convert the binary number

1010110001010111

to hexadecimal

1 0 1 0 | 1 1 0 0 | 0 1 0 1 | 0 1 1 1

A C 5 7

AC5716

Back to Board


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Computer Systems 2 pts

The Central Processing Unit is primarilyresponsible for

A. Performing program control and data processing

B. Ensuring data persists when electrical power isturned off

C. Enabling a human user to interact with thecomputer

D. Interconnecting computers that are separated bydistance

A. Performing program control and data

processing

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Which of the following languages is unique to acomputer design where the instructions arebinary strings?

A. assembly language

B. Java

C. C++

D. machine language

D. machine language

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What is the equivalent decimal value for the

hexadecimal number A3?

163

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What is the equivalent decimal value for the octalnumber 67?

55

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Intro to C++ 1 pt

Back to Board

High level programming languages

A. Are made up primarily of ones and zeros

B. Are independent of the underlying hardware

C. Are not standardized

D. Use syntax that is close to the underlyinghardwares instruction set

B. Are independent of the underlying hardware

Intro to C++ 2 pts

Characters that are grouped togetherbetween double quotes (quotation marks) inC++ are called

A. keywords

B. syntax

C. symbols

D. strings

d. strings

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Intro to C++ 3 pts

What is the output of this code snippet?

int sum=22;sum=sum+2;cout


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Intro to C++ 5 pts

What is the output of the following C++expression

y = 2 * 5 / 5 + 3 * (5 + 2)

23

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Selection Control Structures 1 pt

What is a conditional expression?

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A conditional expression is a Boolean expression that

evaluates to true or false

Relational operators and logical operators are used toform conditional expressions.


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Selection Control Structures 2 pts

Which of the following is the correct syntax foran if-else statement?

A. if (x


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What is the problem with the following if

statement?

double count=15.0;if (count/3.0){

cout


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Repetition Control Structures 1 pt

Which of the loops we studied executes thestatements inside the loop before checkingthe condition?

do-while

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Repetition Control Structures 2 pts

Which common error is present in the codebelow, which is intended to calculate theaverage value from a sum of numbers?double total;

int n;

double input;

while (cin>>input){

total=total+input;n++;

}

if (n!=0){

double average=total/n;}

Uninitialized variables

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How many times will the following loop run?

int i=0;while (i


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How many times is the text "Let us C" printedif the code snippet given below is run?

2 times

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int i=0;do

{cout


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Word Puzzle 2 pt

The _____________ combines machine codewith library code into an executable program

_ _ _ _ _ _

Linker

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Word Puzzle 3 pt

Back to Board

Binary numbers can be stored in memory asa sequence of bits, called a ____________.

_ _ _ _

WordExamples: 16-bit, 32-bit, and 64-bit


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Word Puzzle 4 pt

DAILY DOUBLE!!!DAILY DOUBLE!!!

Word Puzzle 5 pt

The ________ operator is a unary operatorthat requests that the value of the operandsbe changed to a new type for the nextcomputation.

_ _ _ _

cast

Back to Board


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What can be done to improve the following code fragment?

int cost=0;int counter=0;while (counter

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