Final Exam CSCI 121

Final Exam CSCI 121 Which of the following is a declaration statement? int x; cout << x; cin >> x; #include <iostream> - CORRECT ANSWER-int x; What punctuation signifies the end of a C++ statement? - CORRECT ANSWER-semicolon Who developed C++? - CORRECT ANSWER-Bjarne Stroustrup The anagram CPU stands for - CORRECT ANSWER-Central Processing Unit If your program compiles and runs, but gives an incorrect output, this is known as a ________ error. - CORRECT ANSWER-logic or logical The compiler will catch all your programming mistakes. - CORRECT ANSWER-false Who was the programmer for Charles Babbage's analytical engine? - CORRECT ANSWER-Ada Lovelace cin >> number; - CORRECT ANSWER-is an input statement using namespace std; is an use directive a variable declaration an executable statement illegal code - CORRECT ANSWER-an use directive Which of the following will move the cursor to new line after print out the message? - CORRECT ANSWER-cout << "Hello World!n"; Which of the following is correct? #include <iostream> include <iostream> #include (iostream) #include <iostream>; - CORRECT ANSWER-#include <iostream> Which of the following value can be assigned to x if we have the following declaration statement? - CORRECT ANSWER--1 What does the following code print to the screen? cout << "hello"; - CORRECT ANSWER-hello You should write your program before you write the algorithm. - CORRECT ANSWER-false Which of the following is NOT a phase of the program-design process? problem-solving implementation Testing marketing the final program - CORRECT ANSWER-marketing the final program What is wrong with the following statement? cout << "Hello to everyonen; - CORRECT ANSWER-missing a " There are 8 bytes in one bit. - CORRECT ANSWER-false The physical machines that make up a computer is called the - CORRECT ANSWER-hardware A memory address is - CORRECT ANSWER-where a variable is stored A set of instructions that the computer will follow is called a ________. - CORRECT ANSWER-program if-else statements that are inside other if-else statements are said to be - CORRECT ANSWER-nested What is the output of the following code? float value; value = 33.5; cout << "value" << endl; 33.5 33 value garbage - CORRECT ANSWER-value Another way to write the value is - CORRECT ANSWER-3.e09 What is the value of x after the following statements? int x;x = 15 %4; - CORRECT ANSWER-3 The integer 0 is considered true. - CORRECT ANSWER-false Each time a loop body executes is known as an ________. - CORRECT ANSWER-iteration Which of the following code segment declare a double variable x and assign value 5.0 to it correctly? This is a multiple answer question! double x = 5.0 double x, x = 5; double x; x = 5.0; double x = 5.0; - CORRECT ANSWER-double x; x = 5.0; double x = 5.0; The stream that is used for input from the keyboard is called ________. - CORRECT ANSWER-cin Given the following code fragment, what is the final value of y? int x, y; x = -1; y = 0; while(x <=3) { y += 2; x +=1; } - CORRECT ANSWER-10 Variable names may begin with a number - CORRECT ANSWER-False The ________ keyword in C++11 determines the type of a variable based on the data type that the variable is set to. - CORRECT ANSWER-auto The body of a do-while loop always executes at least once - CORRECT ANSWER-true Which of the following is a valid identifier? 3_com three-com three_com 3com - CORRECT ANSWER-three_com What is the output of the following code fragment? What is the output of the following code fragment? int x = 0; while( x < 5) cout << x << endl; x ++;