C++ test 1
Characters or symbols that perform operations on one or more operands are:
Operators
Which is NOT one of the five major components of a computer system?
Preprocessor
A(n)__________ is a set of instructions that the computer follows to solve a problem.
Program
This is used in a program to mark the beginning or ending of a statement or separate items in a list
Punctuation
The computers main memory is commonly known as:
RAM
This is a volatile type of memory used for temporary storage
RAM
Internally, the CPU consists of two parts
The control unit and the Arithmetic and logic unit
At the heart of a computer is its central processing unit The CPUs job is :
To fetch instructions, do commands , produce output
A cpu really only understands instructions that are written in machine language
True
Software engineering is a field that encompasses designing writing testing debugging etc
True
The CPU is the most importand component in a computer because without it, the computer could not run the software
True
The term bit stands for binary digit
True
in c++ key words are written in all lowercase letters
True
During which stage does the central processing unit retrieve from main memory the next instruction in the sequence of program instructions?
fetch
A(n) ________ is a diagram that shows the logical flow of a program
flowchart
What statement best describes a variable and its primary purpose?
A variable is a named storage location in the computers memory used for holding a piece of information
This step will uncover any syntax errors in your program
Compiling
A variable declaration announces the name of a variable that will be used in a program as well as:
the data type it will hold
An example of a secondary storage device is:
the disk drive
What does the term hardware refer to?
the physical components that a computer is made of
The programming process consist of several steps, which include:
Design, Creation, Testing, and Debugging
This term refers to the programmer reading the program from the beginning and stepping through each statement
Desk checking
In programming the terms line and statement alwlways mean the same thing
False
Machine language is an example of a high level language
False
Pseudocode is a form of program statement that will always evaluate to false
False
The preprocessor executes after the compiler
False
The purpose of memory address is:
to identify the location of a byte in memory
The name for a memory location that may hold data is:
variable
Programmer defined names of memory locations that may hold data are:
variables
Three primary activities of a program are
Input, processing and output
Words that have special meaning and may be used only for their intended purpose are known as
Key words
This is a set of rules that must be followed when constructing a program
syntax
The programmer usually enters source code into a computer using a:
text editor
Which of the following is a preprocessor directive?
#include <iostream>
A set of well defined steps for performing a task of solving a problem is known as a(n)
algorithm
____________ are used to translate each source code instruvtion into the appropriate machine language
compilers
The ______ decodes an instruction and generates electrical signals.
control unit
During which stage does the CPU analyze the instruction and encode it int the form of a number and then generate an electronic signal
decode
An integrated Development environment typically consists of:
editor, compiler, debugger
Mistakes that cause a running program to produce incorrect results are called
logic errors
In a broad sense the two primary categories of programming languages are:
low level and high level
An ________ is the most fundamental set of programs on a computer
operating system
Which of the following best describes an operator?
operator allows you to perform operations on one or more pieces of date
Even when there is no power to the computer, data can be held in :
secondary storage
Computer programs are also known as
software
The statements written by the programmer are called
source code
In the process of translating a source file into an executable file, which of the following is the correct sequence
source code->preprocessor->modified source->compiler->object code->linker->executable code
This is a complete instruction that causes the computer to perform some action
statement