Week 2

Question 1

Assigned name of a memory address?

Answer 1

Identifier

Question 2

Name for language used for describing the syntax and rules of another language?

Answer 2

Metalanguage

Question 3

Proper term for calling a function?

Answer 3

Invoking

Question 4

Initialising memory for a type of data and an identifier

Answer 4

Declaration

Question 5

A function’s collective statements between curly braces?

Answer 5

Body

Question 6

Memory location for which data can be changed?

Answer 6

Variable

Question 7

Memory location for which data cannot be changed?

Answer 7

Constant

Question 8

Who calls the main function?

Answer 8

The OS

Question 9

The operator = is referred to as?

Answer 9

Assignment operator

Question 10

A sequence of identifiers and/or literals with operators that returns a datum?

Answer 10

Expression

Question 11

The act of computing an expression?

Answer 11

Evaluation

Question 12

Raw data that is not referred to by an identifier?

Answer 12

A literal

Question 13

Conjoining literals and identifiers of string data type?

Answer 13

Concatenation

Question 14

“…” are used to embrace which literal?

Answer 14

Strings

Question 15

‘…’ are used to embrace which literal?

Answer 15

Chars

Question 16

The part of the function where its identifier and its parameters are declared?

Answer 16

Header

Question 17

The entirety of a function consisting of its header and body?

Answer 17

Definition

Question 18

The data passed to functions when they are invoked?

Answer 18

Arguments

Question 19

A single executable line of code postfixed by a semicolon?

Answer 19

Statement

Question 20

A collection of statements embraced by {…}?

Answer 20

Compound statement, or a body, or a block

Question 21

A statement consisting only of a semi-colon?

Answer 21

A null statement

Question 22

The name of a string with no characters?

Answer 22

Null string

Question 23

The integer returned by the main function on execution?

Answer 23

The exit status

Question 24

Traditionally the main function returns what integer when it executes with no errors?

Answer 24

0

Question 25

The five kinds of statements allowed within a block?

Answer 25

Null statements, assignment statements, declarations, executable/output statements, compound statements

Question 26

The :: operator is referred to as?

Answer 26

The scope resolution operator

Question 27

The << operator referred to as?

Answer 27

The insertion operator

Question 28

The >> operator referred to as?

Answer 28

The extraction operator

Question 29

#include <…> is an example of?

Answer 29

A preprocessor directive

Question 30

The term “std” is an example of a…?

Answer 30

Namespace

Question 31

What are the four integral data types?

Answer 31

Char, short, int, long

Question 32

Reserved word for an integral data type whose range includes only positive integers?

Answer 32

Unsigned

Question 33

Smallest integral data type and its range?

Answer 33

Char: signed -128 - 127, unsigned 0 - 255

Question 34

What is the result of storing values out of the range of a memory’s data type?

Answer 34

Overflow

Question 35

The three data types that represent real numbers?

Answer 35

Float, double, long double

Question 36

How are real numbers stored?

Answer 36

As an integral part and a fractional part

Question 37

Dividing a real number by zero returns?

Answer 37

Inf

Question 38

Dividing an integer by zero results?

Answer 38

Error

Question 39

The ++ operator is referred to as?

Answer 39

The increment operator

Question 40

7++ and ++7 are different how?

Answer 40

++7 the increment is executed prior and the integer is always 8

Question 41

The - - operator is referred to as?

Answer 41

The decrement operator

Question 42

Converting a literal, variable or constant to another data type at run time is called?

Answer 42

Type casting

Question 43

The compiler process that assigns data types on inference?

Answer 43

Type coercion

Question 44

How many ways to declare a variable / constant?

Answer 44

3

Question 45

Declaration with {…}?

Answer 45

Uniform

Question 46

Declaration with (…)?

Answer 46

Implicit

Question 47

Declaration a = 0?

Answer 47

Explicit

Question 48

Expression with values of varying data types?

Answer 48

Mixed type expression

Question 49

Expressions of integers and real numbers coerce as?

Answer 49

Real numbers

Question 50

Real numbers that are coerced to integers are said to have undergone?

Answer 50

Truncation

Question 51

Identifiers can only consist of?

Answer 51

Characters A-Z, a-z, 0-9, _

Question 52

Identifiers can only begin with?

Answer 52

Characters A-Z, a-z

Question 53

The term for the order in which operators are executed?

Answer 53

Order of precedence

Question 54

The order of predence is as follows?

Answer 54

Unary operators (-17, ++9, - -34) Brackets () Binary operators *, /, % Binary operators +, -

Question 55

std::fixed does what?

Answer 55

Represents real and integer numbers with floating points

Question 56

std::scientific does what?

Answer 56

Represents floats in scientific notation, i.e., 2.134x10^12 or 2.134E12

Question 57

std::setprecision(n) does what?

Answer 57

Formats real numbers to n decimal places

Question 58

std::showpoint does what?

Answer 58

Displays both integers and real numbers with floating point

Question 59

Library needed for formatting outputs of numbers?

Answer 59

iomanip

Question 60

std::setw(n) does what?

Answer 60

Generates a field of whitespaces of at least n width in which strings after a trailing insertion operator (<<) will print right justified

Question 61

Meaning ascribed to code and its rules by programmers and compilers?

Answer 61

Semantics

Question 62

Rules and symbols that dictate how a language or its parts are written?

Answer 62

Syntax

Question 63

What terminates a statement?

Answer 63

;

Question 64

What kind of statement doesn’t need terminating?

Answer 64

Compound statement {…}

Question 65

What part of the compilation process handles #includes?

Answer 65

Preprocessor