cse 100 chapter 1 quiz

A storage location in the computer's memory that can hold a piece of data is called A) a variable. B) a number. C) a data cell. D) a storage box. E) RAM.

Answer: A

A variable definition always specifies the name of a variable and tells A) what type of data it can hold. B) how many times it will be used in the program. C) the part of the code where it will be used. D) what its starting value is. E) all of the above.

Answer: A

Even when there is no power to the computer, data can be held in A) a secondary storage device. B) random accdss memory (RAM). C) variables. D) a computer program. E) any of the above.

Answer: A

In the C++ statementpay = rate * hours;the * symbol is an example of A) an operator. B) an operand. C) a variable separator. D) syntax .E) none of the above.

Answer: A

The CPU includes A) the arithmetic and logic unit (ALU) and the control unit. B) the ALU and the I/O unit. C) the I/O unit and the control unit. D) the ALU and the main memory unit. E) all of the above.

Answer: A

The purpose of a memory address is A) to identify the location of a memory cell. B) to allow multitasking. C) to prevent multitasking. D) to locate a program. E) none of the above.

Answer: A

Memory locations that can hold data are called A) operators. B) variables. C) syntax. D) operands. E) none of the above.

Answer: B

Mistakes that allow a program to run, but cause it to produce erroneous results are called A) syntax errors. B) logic errors. C) compiler errors. D) linker errors. E) none of the above.

Answer: B

The computer's main memory is commonly known as A) direct-access memory (DAM). B) random-access memory (RAM). C) read only memory (ROM). D) secondary storage. E) none of the above.

Answer: B

The term hardware refers to A) the difficulty of programming. B) the physical components that make up a computer. C) the way a computer's storage space is organized. D) the fixed order of a program's instructions. E) none of the above.

Answer: B

________ is used in a C++ program to mark the end of a statement, or to separate items in a list. A) A separator B) Punctuation C) An operator D) A keyword E) A blank space

Answer: B

A ________ is a complete instruction that causes the computer to perform some action. A) line B) line number C) statement D) statement number E) programming construct

Answer: C

A(n) ________ is a set of instructions that tells the computer how to solve a problem. A )compiler B) linker C) program D) operator E) variable

Answer: C

C++ is an example of a ________ programming language. A) low-level B) mid-level C) high-level D) binary E) non-structured

Answer: 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

Answer: C

Creating a program requires many steps. Three of these are A) input, processing, and output. B) keywords, operators, and punctuation. C) program design, writing source code, and testing. D) syntax, logic, and error handling. E) none of the above.

Answer: C

Internally, the central processing unit (CPU) consists of two parts: A) input devices and output devices. B) software and hardware. C) the arithmetic and logic unit (ALU) and the control unit. D) single-task devices and multi-task devices. E) the compiler and the linker.

Answer: C

The statements written by a programmer are called A) syntax. B) object code. C) source code. D) language elements. E) none of the above.

Answer: C

Words with a special meaning that may be used only for their intended purpose are known as A) single purpose words.. B) programmer-defined identifiers. C) keywords. D) syntax words. E) none of the above.

Answer: C

________ is an example of volatile memory, used for temporary storage while a program is running. A) A flash drive B) The ALU C) RAM D) The CPU E) A hard disk

Answer: C

2) At the heart of a computer is its central processing unit (CPU). Its job is to A) fetch instructions. B) carry out the operations commanded by the instructions. C) produce some result. D) do all of the above. E) do none of the above.

Answer: D

A set of well-defined steps for performing a task or solving a problem is known as A) a hierarchy chart. B) a flowchart. C) a solution engine. D) an algorithm. E) software engineering.

Answer: D

An integrated development environment (IDE) normally includes A) a text editor. B) a compiler. C) a debugger. D) all of the above. E) none of the above

Answer: D

High-level programming languages include A) C++ and Java. B) C++ and JavaScript .C) C++ and Visual Basic. D) all of the above. E) A and B, but not C.

Answer: D

The ________ coordinates the computer's operations by fetching the next instruction and using control signals to regulate the other major computer components. A) arithmetic and logic unit (ALU) B) traffic controller C) instruction manager D) control unit E) operating system

Answer: D

The programs that control and manage the basic operations of a computer are generally referred to as A) control programs. B) utility programs. C) system hardware programs. D) system software. E) computer application programs.

Answer: D

Three primary activities of a typical program are A) creating variables, operators, and keywords. B) executing lines, statements, and keywords. C) reading, writing, and arithmetic. D) input, processing, and output. E) compiling, linking, and debugging.

Answer: D

A software package that includes a text editor, compiler, debugger, and assorted utilities for creating, testing, and running software is called A) a low-level programming language. B) a high-level programming language. C) a software utility package (SUP). D) an operating system. E) none of the above.

Answer: E

The programmer usually enters source code into a computer using A) a preprocessor. B) a compiler. C) a linker. D) a debugger. E) none of the above.

Answer: E

Which of the following is an example of a secondary storage device? A) a hard disk drive B) a USB flash drive C) a CD D) a DVD E) all of the above

Answer: E

True/False: If a new value is stored in a variable, it replaces whatever value was previously there.

Answer: TRUE

List five elements that are common to all programming languages.

Answer: keywords, programmer-defined symbols, operators, punctuation, and syntax

True/False: Executable code is computer code that contains no errors.

FALSE

True/False: IDE stands for internal data engine.

FALSE

True/False: Most modern computers can understand and execute pseudocode.

FALSE

True/False: Once a value has been stored in a variable it cannot be changed.

FALSE

True/False: The purpose of the compiler is to convert object code into source code. Answer:

FALSE

) True/False: Most of the lines in a program contain something meaningful; however, some of the lines may contain nothing at all.

TRUE

True/False: Before a computer can execute a program written in a high level language, such as C++, it must be translated into object code.

TRUE

True/False: Syntax involves rules that must be followed when writing a program.

TRUE