Computer Science - Exam 1

The CPU is often referred to as the ________ of the computer because it retrieves instructions from memory and executes them.

• Heart

• Brain

• Engine

• Motherboard

Which statement about Random Access Memory (RAM) is correct

• RAM provides permanent storage for programs and data

• RAM is volatile and loses data when the computer is turned off

• Reading from RAM is slower than reading from storage

• RAM operates at 5 gigahertz (GHz)

What type of storage device is used for permanent data storage?

• Motherboard

• Central Processing Unit (CPU)

• Radom Access Memory (RAM)

• Solid State Drive (SSD)

Which of the following is an example of high-level programming language?

• Binary

• Assembly

• Machine Language

• Java

What is the purpose of a statement in Java?

• To group blocks of code

• To represent an action or command to the computer

• To define a class

• To describe an error message

In Java, the name of the file must match the name of the:

• First statement in the program

• Class name after the public class keyword

• Package name in the code

• Method name in main

Errors that occur when a programmer forgets a symbol or mistypes something in Java are called:

• Logical errors

• Runtime errors

• Syntax errors

• Execution errors

Which of the following is a primitive data type in Java:

• String

• Array

• double

• Object

Which of the following is a valid variable name in Java?

• 1st Value

• public

• myValue

• $prive

What is the result of the following expression in Java?

( 45 % 6 ) + ( 8 / 3 ) * 2

• 7

• 10

• 11

• 12