CSCI Ch 1
A variable declaration announces the name of a variable that will be used in a program, as well as: A) The type of data it will be used to hold B) The operators that will be used on it C) The number of times it will be used in the program D) The area of the code in which it will be used E) None of the above
A
A(n) ________ is a diagram that shows the logical flow of a program. A) UML diagram B) flowchart C) hierarchy chart D) program schematic E) None of these
B
This is a complete instruction that causes the computer to perform some action. A) Line B) Statement C) Variable D) Key Word E) None of the above
B
This step will uncover any syntax errors in your program. A) Editing B) Compiling C) Linking D) Executing E) None of these
B
The computer's main memory is commonly known as: A) The hard disk B) The floppy disk C) RAM D) Secondary storage E) None of the above
C
The programming process consists of several steps, which include: A) Input, Processing, and Output B) Key Words, Operators, and Punctuation C) Design, Creation, Testing, and Debugging D) Syntax, Logic, and Error Handling E) None of the above
C
The statements written by the programmer are called: A) Syntax B) Object code C) Source code D) Runtime libraries E) None of the above
C
This is a volatile type of memory, used for temporary storage. A) Address B) ALU C) RAM D) Disk drive E) None of the above
C
This term refers to the programmer reading the program from the beginning and stepping through each statement. A) Pseudocoding B) Software Engineering C) Desk Checking D) Spot Checking E) None of the above
C
Three primary activities of a program are: A) Variables, Operators, and Key Words B) Lines, Statements, and Punctuation C) Input, Processing, and Output D) Integer, Floating-point and Character E) None of the above
C
Which of the following is a common input device? A) Keyboard B) Mouse C) Scanner D) Microphone E) All of the above
E
True/False: A CPU really only understands instructions that are written in machine language.
TRUE
True/False: In C++, key words are written in all lowercase letters.
TRUE
A set of well-defined steps for performing a task or solving a problem is known as a(n): A) Hierarchy B) Algorithm C) Central Processing Unit D) Encoded instruction E) None of the above
B
A(n) ________ is the most fundamental set of programs on a computer. A) compiler B) operating system C) application D) utility program E) None of these
B
During which stage does the central processing unit analyze the instruction and encode it in the form of a number, and then generate an electronic signal? A) fetch B) decode C) execute D) portability stage
B
Mistakes that cause a running program to produce incorrect results are called: A) Syntax errors B) Logic errors C) Compiler errors D) Linker errors E) None of the above
B
Programmer-defined names of memory locations that may hold data are: A) Operators B) Variables C) Syntax D) Operands E) None of the above
B
The programmer usually enters source code into a computer using: A) Pseudocode B) A text editor C) A hierarchy chart D) A compiler E) None of the above
B
This is used in a program to mark the beginning or ending of a statement, or separate items in a list. A) Separators B) Punctuation C) Operators D) Key Words E) None of the above
B
What does the term hardware refer to? A) The relative difficulty of programming B) The physical components that a computer is made of C) The way a computer's storage space is organized D) The logical flow of instructions E) None of the above.
B
Which of the following best describes an operator? A) An operator is a rule that must be followed when constructing a program. B) An operator allows you to perform operations on one or more pieces of data. C) An operator marks the beginning or ending of a statement, or is used to separate items in a list. D) An operator is a word that has a special meaning. E) An operator is a symbolic name that refers to a variable.
B
An Integrated Development Environment typically consists of: A) A text editor B) A compiler C) A debugger D) All of the above E) None of the above
D
An example of a secondary storage device is: A) The computer's main memory B) The keyboard C) The monitor D) The disk drive E) None of the above
D
At the heart of a computer is its central processing unit. The CPU's job is: A) To fetch instructions B) To carry out the operations commanded by the instructions C) To produce some outcome or resultant information D) All of the above E) None of the above
D
In the process of translating a source file into an executable file, which of the following is the correct sequence? A) Source code, preprocessor, modified source code, linker, object code, compiler, executable code. B) Preprocessor, source code, compiler, executable code, linker, modified source code, object code. C) Source code, compiler, modified source code, preprocessor, object code, linker, executable code. D) Source code, preprocessor, modified source code, compiler, object code, linker, executable code. E) Source code, linker, object code, compiler, modified source code, preprocessor, executable code.
D
The ________ decodes an instruction and generates electrical signals. A) Arithmetic and Logic Unit B) Main memory C) BIOS D) Control Unit E) None of the above
D
The name for a memory location that may hold data is: A) Key Word B) Syntax C) Operator D) Variable E) None of the above
D
What statement best describes a variable and its primary purpose? A) A variable is a structured, general-purpose language designed primarily for teaching programming. B) A variable is a collection of eight bits. C) A variable is a word that has a special meaning to the compiler. D) A variable is a named storage location in the computer's memory used for holding a piece of information. E) A variable is a "line" of code in the body of a program, which may change.
D
Which of the following is a preprocessor directive? A) pay = hours * rate; B) cin >> rate; C) // This program calculates the user's pay. D) int main() E) #include <iostream>
E
True/False: In programming, the terms "line" and "statement" always mean the same thing.
FALSE
True/False: Machine language is an example of a high-level language.
FALSE
True/False: Programs are commonly referred to as hardware.
FALSE
True/False: Pseudocode is a form of program statement that will always evaluate to "false."
FALSE
True/False: The preprocessor executes after the compiler.
FALSE
True/False: Software engineering is a field that encompasses designing, writing, testing, debugging, documenting, modifying, and maintaining computer programs.
TRUE
True/False: The CPU is the most important component in a computer because without it, the computer could not run software.
TRUE
True/False: The term "bit" stands for binary digit.
TRUE
During which stage does the central processing unit retrieve from main memory the next instruction in the sequence of program instructions? A) fetch B) decode C) execute D) portability stage
A
Even when there is no power to the computer, data can be held in: A) Secondary storage B) The Input Device C) The Output Device D) The Algorithm E) None of the above
A
The purpose of a memory address is: A) To identify the location of a byte in memory B) To prevent multitasking C) To obtain an algorithm D) To improve the effectiveness of high-level languages E) None of the above
A
This is a set of rules that must be followed when constructing a program. A) Syntax B) Punctuation C) Portability D) Operators E) Key words
A
Which of the following is not one of the five major components of a computer system? A) Preprocessor B) The CPU (central processing unit) C) Main memory D) Input/Output device E) Secondary storage device
A
A(n) ________ is a set of instructions that the computer follows to solve a problem. A) Compiler B) Linker C) Program D) Operator E) None of the above
C
Characters or symbols that perform operations on one or more operands are: A) Syntax B) Op codes C) Operators D) Program ops E) None of the above
C
Computer programs are also known as: A) hardware B) firmware C) software D) silverware E) None of the above
C
In a broad sense, the two primary categories of programming languages are: A) Mainframe and PC B) Hardware and Software C) Low-level and High-level D) COBOL and BASIC E) None of the above
C
Internally, the CPU consists of two parts: A) The Output Device and the Input Device B) The Software and the Hardware C) The Control Unit and the Arithmetic and Logic Unit D) The Single-task Device and the Multi-task Device E) None of the above
C
Words that have a special meaning and may be used only for their intended purpose are known as: A) Operators B) Programmer Defined Words C) Key Words D) Syntax E) None of the above
C
________ are used to translate each source code instruction into the appropriate machine language instruction. A) Modules B) Library routines C) Compilers D) Preprocessor directives E) None of the above
C