Select the two statements below that are true. press on the info button for
definitions of key terms.
the command print must be in lower case.
you must put single quotation marks
each side of the string you wish to print.
to show a variable or a number you do
not need quotation marks.


oo
9000
if you typed print (3+5) into python it
would display 3+5.

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Suppose you have 9 coins and one of them is heavier than others. other 8 coins weight equally. you are also given a balance. develop and algorithm to determine the heavy coin using only two measurements with the of the balance. clearly write your algorithm in the form of a pseudocode using the similar notation that we have used in the class to represent sorting algorithms