Exam (elaborations)
CPSC 120 - Chapter 1 Complete Questions And Answers
- Course
- Institution
CPSC 120 - Chapter 1 Complete Questions And Answers
[Show more]
Content preview
CPSC 120 - Chapter 1 CompleteQuestions And Answers
Computer CORRECT ANSWERS Programmable machine designed to follow
instructions
Program/Software CORRECT ANSWERS instructions on the computer to make it to do
something
Programmer CORRECT ANSWERS Person who writes instructions to make the
computer perform a task
Hardware CORRECT ANSWERS PHSYICAL components of a computer (CPU, RAM,
secondary storage devices, input devices, output devices)
Input devices CORRECT ANSWERS webcam, keyboard, scanner
Output devices CORRECT ANSWERS Screen, printer, speakers, etc.
CPU CORRECT ANSWERS Components of the CPU:
Control unit - Retrieves and decodes program instructions.
Coordinates Computer operations
Arithmetic & Logic Unit (ALU) - Performs mathematical operations
CPU's role CORRECT ANSWERS Fetch - get the next program instruction from main
memory
Decode - Interpret the instruction and generate a signal
Execute - Rout the signal appropriate component to perform an operation
Main memory CORRECT ANSWERS aka, RAM
Holds program instructions and data
Volatile - Erased when comp turns off or program terminates
Bit CORRECT ANSWERS Binary digit - smallest piece of memory
Has values of 0 (off) or 1 (on)
Byte CORRECT ANSWERS Comprised of 8 consecutive bits - has an address
Word CORRECT ANSWERS Usually 4 consecutive bytes
Secondary Storage CORRECT ANSWERS It is non-volatile, it is retained when when
program ends or computer turns off
Such as - internal/external drives, CD, flash drives, etc
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 ElevatedExcellence. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
