IST P-STEM Unit 1 Hardware and Python Review

Which of the following is an input device?

• mouse

• speaker

• monitor

• printer

Which of the following is true about main memory?

• main memory is used for long-term data storage

• main memory is the short-term memory also known as RAM

• main memory is preserved in the computer system even when the power is turned off or lost

• a solid state drive (SSD) is an example of main memory in a computer system

Which of the following software controls the memory of the computer?

• operating system (OS)

• compiler

• Python

• applications

What is the correct order of steps that a compiler uses in translating code?

• Translate commands to machine language. Check for mistakes. Run the commands.

• Check for mistakes. Translate commands to machine language. Run the commands.

• Run the commands. Check for mistakes. Translate commands to machine language.

• Run the commands. Translate commands to machine language. Check for mistakes.

Which of these is an example of output?

• Displaying information on the screen

• Storing data in main memory

• Converting code to machine language

• Putting information into the computer

Which of the following is a legal variable name?

• tempVar

• 70nums

• &&data

• num of mins

Two categories of variable data types are:

• Strings and integers

• Strings and words

• integers and numbers

• words and floats

What command is used to change a number into a String?

• str()

• int()

• dec()

• print()

What is output by the following?

print("Row\nRow\nRow yer boat")

• Row

  Row

  Row yer boat

• Row\nRow\nRow yer boat

• Row Row Row yer boat

• Row Row

  Row yer boat

What is output by the following?

print(type("121"))

• <class 'str'>

• <class 'num'>

• error. unknown identifier

• <class 'int'>