Chapter 1 - CS 225
Which of the following performs the square root of 4? a. square root (4); b. pow(4, ½); c. sqt(4); d. all of the above;
b. pow(4, ½);
The following C++ statement increments variable age by ____ (enter the numeric value) ++age;
1
The following C++ statement increments variable age by ____ (enter the numeric value) age += 1;
1
The following C++ statement increments variable age by ____ (enter the numeric value) age++;
1
The following C++ statement increments variable age by ____ (enter the numeric value) age = age + 2;
2
The digit 0 or 1 is called a binary digit, or ____.
bit
A sequence of eight bits is called a ____.
byte
____ programs perform a specific task.
Application
The programming language C++ evolved from ____.
C
The ____ is the brain of the computer and the single most expensive pieces of hardware in your computer.
CPU
A program called a(n) ____ combines the object program with the program from libraries.
linker
A program that loads an executable program into main memory is called a(n) ____.
loader
When the power is switched off, everything in ____ is lost.
main memory
Several categories of computers exist, such as ____.
mainframe, midsize, and micro
Main memory is an ordered sequence of items, called ____.
memory cells
A(n) ____ consists of data and the operation of those data.
object
The ____ monitors the overall activity of the computer and provides services.
operating system
Main memory is called ____.
random access memory
A data type is called ____ if the variable or named constant of that type can store only one value at a time.
simple
Dividing a problem into smaller subproblems is called ____ design.
structured
Suppose that sum and num are int variables and sum = 5 and num = 10. After the statement sum += num executes, ____.
sum = 15
____ represent information with a sequence of 0s and 1s
Digital signals
A comma is also called a statement terminator.
False
An operator that has only one operand is called a unique operator.
False
C++ programs have always been portable from one compiler to another.
False
A step-by-step problem-solving process in which a solution is arrived at in a finite amount of time is called a(n) ____.
algorithm
To develop a program to solve a problem, you start by ____.
analyzing the problem
Suppose a = 5. After the execution of the statement ++a; the value of a is 6.
True
Information stores in main memory must be transferred to some other device for permanent storage.
True
Main memory is directly connected to the CPU.
True
A program called a(n) ____ translates instructions written in high-level languages into machine code.
compiler
Consider the following C++ program. #include <iostream> using namespace std; int main () { cout << "Hello World" return 0; } In the court statement, the missing semicolon in the code above will be caught by the ____.
compiler
An example of a floating point data type is ____.
double
The term GB refers to ____.
gigabyte
The devices that feed data and programs into computers are called ____ devices.
input
The basic commands that a computer performs are ____, and performance of arithmetic and logical operations.
input, output, storage
