Exam (elaborations)
CSC 141: Exam 1 Review (latest update) questions with 100% correct answers
- Course
- Institution
CSC 141: Exam 1 Review (latest update) questions with 100% correct answers
[Show more]
Content preview
CSC 141: Exam 1 Review (latest update)questions with 100% correct answers
parts of a computer - correct answer ✔✔1. processor
2. hard drive
3. RAM
processor - correct answer ✔✔-CPU: central processing unit
-thinks in 0s and 1s
hard drive - correct answer ✔✔-storage
-memory (software, files)
-slow
RAM - correct answer ✔✔-random access memory
-faster than hard drive
-CPU interacts with it
What must all Java codes begin with? - correct answer ✔✔public class "name of file"
sequential execution - correct answer ✔✔First line of code is executed first etc. White space doesn't
matter for the program, it's just important to have a neat, organized code.
What is the line of code all Java program's have? - correct answer ✔✔{
public static void main(String[] args)
{
}
, }
literals - correct answer ✔✔Value written into code.
Ex. variable = 40;
-has to be on the right
variables - correct answer ✔✔some named storage location in the computer's memory
Ex. payRoll = literal;
-has to be on the left
restrictions in RAM - correct answer ✔✔each variable can hold only one value at a time
arithmetic in Java - correct answer ✔✔+ - addition OR concatenate
- - subtraction
* - multiplication
/ - division
( ) - order of operations
% - modulus
variable naming rules - correct answer ✔✔1. first letter has to be a-z, A-Z, $, -
2. no spacing
3. case sensitive
4. subsequent can start with a-z, A-Z, -, $, 0-9
camelCasing - correct answer ✔✔the naming convention
Ex. grossPay or payRate
declaring variables - correct answer ✔✔-must be declared with it's data type before it can be used
-variables can only be declared once
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now