CH.1

In modern computer systems, a byte consists of __________ bits

8

When a program runs on a computer, the part of the computer that carries out the instructions is called the ________________

CPU

Replace the underlines with the words in parentheses that follow: The ____ solves the ____ of a ____ by expressing an ____ in a ____ to make a ____ that can run on a ____. ( algorithm, computer, problems, program, programmer, programming language, user ) NOTE: do not just put in the replacement words, put in the WHOLE sentence with the underlines replaced.

The programmer solves the problems of a user by expressing an algorithm in a programming language to make a program that can run on a computer.

Which of the following is not true? a. An algorithm allows ambiguity. b. An algorithm, when carried out, must eventually stop. c. An algorithm, can be carried out by a human being.

a. An algorithm allows ambiguity.

Before a variable is used it must be a. defined b. declared c. included d. evaluated e. assigned

a. defined

When a program is not running, it is stored a. on a disk b. in level-2 cache (L2) c. in main memory d. on the ethernet or wifi

a. on a disk

A byte in memory is identified by a unique number called its __________

address

Which statement is NOT true: a. Machine languages can be used to express algorithms. b. Machine languages can be used to write programs that can run on any machine. c. Machine language consists of zeros and ones. d. Machine language is produced by compilers.

b. Machine languages can be used to write programs that can run on any machine.

At each step of its operation, the input to a Central Processing Unit is a. a program b. an instruction c. main memory d. a control unit

b. an instruction

Application software a. processes applications for jobs, school admission, etc. b. is any software that is runs with the support of the operating system. c. was invented by Microsoft. d. is applied to the computer for the purpose of running the operating system. e. none of the above.

b. is any software that is runs with the support of the operating system.

A binary digit a. is either positive or negative b. is zero or one c. requires one byte of storage d. is 2 e. is non of the above

b. is zero or one

Which of these is not a programming language? a. C b. C++ c. HTML d. Java

c. HTML

A compiler a. maintains a collection of programs b. tests a program's logic c. translates source code into executable code d. translates executable code to machine code

c. translates source code into executable code

An error in a program that involves a violation of language rules will be detected at _________________ time

compile

What best defines a "programming language"? a. It allows us to control a computer b. It allows us to make a calculation c. It allows to execute a program d. It allows us to express an algorithm

d. It allows us to express an algorithm

Which of the following is true? a. There is exactly one and only one statement on each line of code. b. There can be more than one statement on a line, but a statement must not extend over more than one line. c. Statements can extend over more than one line but there must not be more than one statement on a line. d. There are no language rules regarding statements and line in general.

d. There are no language rules regarding statements and line in general.

An operating system a. is the chief hardware unit in a computer. b. is loaded into the computer each time it needs to carry out an operation. c. ensures that programs will not run on the computer at the same time. d. allocates resources like memory to programs that are running. e. all of the above.

d. allocates resources like memory to programs that are running.

A bit is a. a metalic rod inserted into a horses mouth to control it while riding b. a small amount of data c. an alternative term for byte d. an electronic device used in comouters e. a binary digit, like 0 or 1

e. a binary digit, like 0 or 1

Words that have a special meaning in a programming language are called ______________.

key words

The purpose of testing a program with different combinations of data is to expose run-time and __________ errors

logical

When a program runs on a computer, it is stored in ____________

main memory

Compilers translate the instructions written by the programmer into _____________ code.

object

Monitors, printers, status lights are all examples of ______________ devices.

output

The ability of a language to let a programmer develop a program on computer system that can be run on other systems is called _____________

portability

Division by zero when the program is executing is an example of a _________ error.

runtime

Flash drives, CDs, external disks are all examples of ______________

secondary

The code that a programmer writes is called __________ code.

source

The rules that govern the correct order and usage of the elements of a language are called the _________ of the language.

syntax

A location in memory used for storing data and given a name in a computer program is called a _______________ because the data in the location can be changed.

variable