EE 186: Intro to Programing Midterm 1

A(n)__________is a set of instructions that a computer follows to perform a task.

a. compiler

b. program

c. interpreter

d. programming language

program

The physical devices that a computer is made of are referred to as________.

a. hardware

b. software

c. the operating system

d. tools

hardware

The part of a computer that runs programs is called________.

a. RAM

b. secondary storage

c. main memory

d. the CPU

the CPU

Today, CPUs are small chips known as________.

a. ENIACs

b. microprocessors

c. memory chips

d. operating systems

microprocessors

The computer stores a program while the program is running, as well as the data that the program is working with, in_______.

a. secondary storage

b. the CPU

c. main memory

d. the microprocessor

main memory

This is a volatile type of memory that is used only for temporary storage while a program is running.

a. RAM

b. secondary storage

c. the disk drive

d. the USB drive

RAM

A type of memory that can hold data for long periods of time, even when there is no power to the computer, is called_______.

a. RAM

b. main memory

d. secondary storage

d. CPU storage

secondary storage.

A component that collects data from people or other devices and sends it to the computer is called_________.

a. an output device

b. an input device

c. a secondary storage device

d. main memory

an input device

A video display is a(n)________device.

a. output

b. input

c. secondary storage

d. main memory

output

A_______is enough memory to store a letter of the alphabet or a small number.

a. byte

b. bit

c. switch

d. transistor

byte

A byte is made up of eight________.

a. CPUs

b. instructions

c. variables

d. bits

bits

In the_____numbering system, all numeric values are written as sequences of 0s and 1s.

a. hexadecimal

b. binary

c. octal

d. decimal

binary

A bit that is turned off represents the following value:______.

a. 1

b. −1

c. 0

d. “no”

0

A set of 128 numeric codes that represent the English letters, various punctuation marks, and other characters is_______.

a. binary numbering

b. ASCII

c. Unicode

d. ENIAC

ASCII

An extensive encoding scheme that can represent characters for many languages in the world is_______.

a. binary numbering

b. ASCII

c. Unicode

d. ENIAC

Unicode

Negative numbers are encoded using the_______technique.

a. two’s complement

b. floating point

c. ASCII

d. Unicode

two’s complement

Real numbers are encoded using the_________technique.

a. two’s complement

b. floating point

c. ASCII

d. Unicode

floating point

The tiny dots of color that digital images are composed of are called__________.

a. bits

b. bytes

c. color packets

d. pixels

pixels

If you were to look at a machine language program, you would see_________.

a. Python code

b. a stream of binary numbers

c. English words

d. circuits

a stream of binary numbers

In the__________part of the fetch-decode-execute cycle, the CPU determines which operation it should perform.

a. fetch

b. decode

c. execute

d. deconstruct

decode

Computers can only execute programs that are written in_________.

a. Java

b. assembly language

c. machine language

d. Python

machine language

The______translates an assembly language program to a machine language program.

a. assembler

b. compiler

c. translator

d. interpreter

assembler

The words that make up a high-level programming language are called______.

a. binary instructions

b. mnemonics

c. commands

d. keywords

keywords

The rules that must be followed when writing a program are called_______.

a. syntax

b. punctuation

c. keywords

d. operators

syntax

A(n)________program translates a high-level language program into a separate machine language program.

a. assembler

b. compiler

c. translator

d. utility

compiler

A________error does not prevent the program from running, but causes it to produce incorrect results.

a. syntax

b. hardware

c. logic

d. fatal

logic

A__________is a single function that the program must perform in order to satisfy the customer.

a. task

b. software requirement

c. prerequisite

d. predicate

software requirement

A(n)________is a set of well-defined logical steps that must be taken to perform a task.

a. logarithm

b. plan of action

c. logic schedule

d. algorithm

algorithm

An informal language that has no syntax rules and is not meant to be compiled or executed is called________.

a. faux code

b. pseudocode

c. Python

d. a flowchart

pseudocode

A_________is a diagram that graphically depicts the steps that take place in a program.

a. flowchart

b. step chart

c. code graph

d. program graph

flowchart

A_______is a sequence of characters.

a. char sequence

b. character collection

c. string

d. text block

string

A________is a name that references a value in the computer’s memory.

a. variable

b. register

c. RAM slot

d. byte

variable

A_________is any hypothetical person using a program and providing input for it.

a. designer

b. user

c. guinea pig

d. test subject

user

A string literal in Python must be enclosed________.

a. parentheses.

b. single-quotes.

c. double-quotes.

d. either single-quotes or double-quotes.

either single-quotes or double quotes

Short notes placed in different parts of a program explaining how those parts of the program work are called________.

a. comments

b. reference manuals

c. tutorials

d. external documentation

comments

A(n)________makes a variable reference a value in the computer’s memory.

a. variable declaration

b. assignment statement

c. math expression

d. string literal

assignment statement

This symbol marks the beginning of a comment in Python.

a. &

b. *

c. **

d. #

#

Which of the following statements will cause an error?

a. x = 17

b. 17 = x

c. x = 99999

d. x = '17'

17 = x

In the expression 12 + 7, the values on the right and left of the + symbol are called________.

a. operands

b. operators

c. arguments

d. math expressions

operands

This operator performs integer division.

a. //

b. %

c. **

d. /

//

This is an operator that raises a number to a power.

a. %

b. *

c. **

d. /

**

This operator performs division, but instead of returning the quotient it returns the remainder.

a. %

b. *

c. **

d. /

%

Suppose the following statement is in a program: price = 99.0. After this statement executes, the price variable will reference a value of which data type?

a. int

b. float

c. currency

d. str

float

Which built-in function can be used to read input that has been typed on the keyboard?

a. input()

b. get_input()

c. read_input()

d. keyboard()

input()

Which built-in function can be used to convert an int value to a float?

a. int_to_float()

b. float()

c. convert()

d. int()

float()

A magic number is__________________.

a. a number that is mathematically undefined

b. an unexplained value that appears in a program’s code

c. a number that cannot be divided by 1

d. a number that causes computers to crash

an unexplained value that appears in a program’s code

A__________is a name that represents a value that does not change during the program’s execution.

a. named literal

b. named constant

c. variable signature

d. key term

named constant

A_________structure can execute a set of statements only under certain circumstances.

a. sequence

b. circumstantial

c. decision

d. Boolean

decision

A____________structure provides one alternative path of execution.

a. sequence

b. single alternative decision

c. one path alternative

d. single execution decision

single execution decision

A(n)__________expression has a value of either True or False.

a. binary

b. decision

c. unconditional

d. Boolean

Boolean

The symbols >, <, and == are all___________operators.

a. relational

b. logical

c. conditional

d. ternary

relational

A(n)_________structure tests a condition and then takes one path if the condition is true, or another path if the condition is false.

a. if statement

b. single alternative decision

c. dual alternative decision

d. sequence

dual alternative decision

You use a(n)__________statement to write a single alternative decision structure.

a. test-jump

b. if

c. if-else

d. if-call

if

You use a(n)____________statement to write a dual alternative decision structure.

a. test-jump

b. if

c. if-else

d. if-call

if-else

and, or, and not are__________operators.

a. relational

b. logical

c. conditional

d. ternary

logical

A compound Boolean expression created with the__________operator is true only if both of its subexpressions are true.

a. and

b. or

c. not

d. both

and

A compound Boolean expression created with the_________operator is true only if both of its subexpressions are true.

a. and

b. or

c. not

d. both

and

The___________operator takes a Boolean expression as its operand and reverses its logical value.

a. and

b. or

c. not

d. either

not

A__________is a Boolean variable that signals when some condition exists in the program.

a. flag

b. signal

c. sentinel

d. siren

flag

A_________-controlled loop uses a true/false condition to control the number of times that it repeats.

a. Boolean

b. condition

c. decision

d. count

condition

A_________-controlled loop repeats a specific number of times.

a. Boolean

b. condition

c. decision

d. count

count

Each repetition of a loop is known as a(n)__________.

a. cycle

b. revolution

c. orbit

d. iteration

iteration

The while loop is a_________type of loop.

a. pretest

b. no-test

c. prequalified

d. post-iterative

pretest

A(n)_________loop has no way of ending and repeats until the program is interrupted.

a. indeterminate

b. interminable

c. infinite

d. timeless

infinite

The -= operator is an example of a(n)________operator.

a. relational

b. augmented assignment

c. complex assignment

d. reverse assignment

augmented assignment

A(n)_________variable keeps a running total.

a. sentinel

b. sum

c. total

d. accumulator

accumulator

A(n)________is a special value that signals when there are no more items from a list of items to be processed. This value cannot be mistaken as an item from the list.

a. sentinel

b. flag

c. signal

d. accumulator

sentinel

GIGO stands for_________.

a. great input, great output

b. garbage in, garbage out

c. GIGahertz Output

d. GIGabyte Operation

garbage in, garbage out

The integrity of a program’s output is only as good as the integrity of the program’s___________.

a. compiler

b. programming language

c. input

d. debugger

input

The input operation that appears just before a validation loop is known as the__________.

a. prevalidation read

b. primordial read

c. initialization read

d. priming read

priming read

Validation loops are also known as_______.

a. error traps

b. doomsday loops

c. error avoidance loops

d. defensive loops

error traps

A group of statements that exist within a program for the purpose of performing a specific task is a(n)_________.

a. block

b. parameter

c. function

d. expression

function

A design technique that helps to reduce the duplication of code within a program and is a benefit of using functions is_________.

a. code reuse

b. divide and conquer

c. debugging

d. facilitation of teamwork

code reuse

The first line of a function definition is known as the_________.

a. body

b. introduction

c. initialization

d. header

header

You_________a function to execute it.

a. define

b. call

c. import

d. export

call

A design technique that programmers use to break down an algorithm into functions is known as__________.

a. top-down design

b. code simplification

c. code refactoring

d. hierarchical subtasking

top-down design

A___________is a diagram that gives a visual representation of the relationships between functions in a program.

a. flowchart

b. function relationship chart

c. symbol chart

d. hierarchy chart

hierarchy chart

The_______keyword is ignored by the Python interpreter and can be used as a placeholder for code that will be written later.

a. placeholder

b. pass

c. pause

d. skip

pass

A__________is a variable that is created inside a function.

a. global variable

b. local variable

c. hidden variable

d. none of the above; you cannot create a variable inside a function

local variable

A(n)_________is the part of a program in which a variable may be accessed.

a. declaration space

b. area of visibility

c. scope

d. mode

scope

A(n)________is a piece of data that is sent into a function.

a. argument

b. parameter

c. header

d. packet

argument

A(n)________is a special variable that receives a piece of data when a function is called.

a. argument

b. parameter

c. header

d. packet

parameter

A variable that is visible to every function in a program file is a_________.

a. local variable

b. universal variable

c. program-wide variable

d. global variable

global variable

When possible, you should avoid using_______variables in a program.

a. local

b. global

c. reference

d. parameter

global

This is a prewritten function that is built into a programming language.

a. standard function

b. library function

c. custom function

d. cafeteria function

library function

This standard library function returns a random integer within a specified range of values.

a. random

b. randint

c. random_integer

d. uniform

randint

This standard library function returns a random floating-point number in the range of 0.0 up to 1.0 (but not including 1.0).

a. random

b. randint

c. random_integer

d. uniform

random

This standard library function returns a random floating-point number within a specified range of values.

a. random

b. randint

c. random_integer

d. uniform

uniform

This statement causes a function to end and sends a value back to the part of the program that called the function.

a. end

b. send

c. exit

d. return

return

This is a design tool that describes the input, processing, and output of a function.

a. hierarchy chart

b. IPO chart

c. datagram chart

d. data processing chart

IPO chart

This type of function returns either True or False.

a. Binary

b. true_false

c. Boolean

d. logical

Boolean

This is a math module function.

a. derivative

b. factor

c. sqrt

d. differentiate

sqrt