Chapter 2

Question 1

Low level versus high level lang

Answer 1

low level : move bits of data around high level : abstract primitives like pop up menu provided by the designer

Question 2

general versus targeted to an application

Answer 2

refers to how widely applicable a language’s primitive operations are. IE adobe flash is made for web animation/interactivity

Question 3

interpreeted vs compiled

Answer 3

compiled: a language is executed directly with source code similar to machine code interpreted: converted from source into machine level primitive operations

Question 4

statement

Answer 4

or a command ie : print “print print”

Question 5

scalar object types

Answer 5

integers (int 4 -1337 ) floating point numbers (float 1.46 and 1.5E6 {i.5*10^6) Boolean (bool) True or False) aaand None

Question 6

integer division

Answer 6

// returns quotient without remainder

Question 7

modulo

Answer 7

or mod or in python:: i % j returns remainder of i divided by j

Question 8

a and b

Answer 8

if both are True then True otherwise False

Question 9

a or b

Answer 9

if at least one of a or be is true then True otherwise False

Question 10

not a

Answer 10

True if a is false and False if a is True

Question 11

straight line programs

Answer 11

execute one statement after another in the order in which they appear then stop

Question 12

conditional statement

Answer 12

if boolean expression:

block of code

else :

block of code

Question 13

constant time

Answer 13

a program for which the maximum running time is bounded by the length of the program is said to run in constant time (runnning time does not grow with the size of the input to the program)