100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS! What is a computer? - ANSWER>>An electric, PROGRAMMABLE DATA PROCESSING machine.$17.99
Add to cart
OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%GUARANTEED PASS! What is a computer? - ANSWER>>An electric, PROGRAMMABLE DATA PROCESSING machine.
OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM
LATEST WITH ACTUAL QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
100%GUARANTEED PASS!
What is a computer? - ANSWER>>An electric, PROGRAMMABLE DATA
PROCESSING machine.
OCR GCSE(9-1) IN COMPUTER SCIENCE EXAM
LATEST WITH ACTUAL QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
100%GUARANTEED PASS!
What is a computer? - ✔✔ANSWER✔✔>>An electric, PROGRAMMABLE DATA
PROCESSING machine.
What is a system? - ✔✔ANSWER✔✔>>A collection of PARTS that work TOGETHER
for a COMMON PURPOSE.
What is a computer system? - ✔✔ANSWER✔✔>>A collection of HARDWARE and
SOFTWARE working together to create a CODED SOLUTION.
It involves a set of inputs being processed to present a set of outputs.
Why are computer systems everywhere? - ✔✔ANSWER✔✔>>Because:
- Versatile
- Small
- Cheap
What is a program? - ✔✔ANSWER✔✔>>A set of INSTRUCTIONS that the computer
carries out to process data.
What is an Input? - ✔✔ANSWER✔✔>>PROVIDES DATA for further processing
What is a process? - ✔✔ANSWER✔✔>>Where the input is MANIPULATED in order to
process meaningful information.
What is an output? - ✔✔ANSWER✔✔>>Where the information is PRESENTED to the
user in a suitable format.
What is a System Boundary? - ✔✔ANSWER✔✔>>A system that is SEPARATEs from
the outside world so it separates what is in a system from what is not.
What is an Interface? - ✔✔ANSWER✔✔>>A device or program enabling a user to
communicate with a computer.
Interconnections between systems.
Give 3 examples of computer input devices - ✔✔ANSWER✔✔>>- Mouse
- Keyboard
- Scanner
, Give 3 examples of computer processes - ✔✔ANSWER✔✔>>- Searching
- Calculations
- Graphing
Give 3 examples of computer output devices - ✔✔ANSWER✔✔>>- Screen
- Speaker
- Projector
LIst reasons of why computer systems are important: - ✔✔ANSWER✔✔>>-
Communication (Emails, Social networks)
-Retail (E-commerce)
- Improved quality in manufacturing - Cheaper manufacturing
- Faster access to information
- Improves quality of life (E.g. Bionics for people without limbs)
- Safety ( Emergency response, guiding aircrafts, monitoring patients)
- Education
- Business
Name 6 types of computer systems - ✔✔ANSWER✔✔>>- General-purpose systems
- Dedicated systems
- Control systems
- Embedded systems
- Expert systems
- Management information systems
What is a general purpose system? - ✔✔ANSWER✔✔>>Designed to perform multiple
tasks- a WIDE VARIETY of purposes. Various applications can loaded.
Give examples of general purpose system. - ✔✔ANSWER✔✔>>Desktops, Laptops,
Smartphones
What are the advantages of general purpose systems? - ✔✔ANSWER✔✔>>- Very
popular
- Cheap
- Well tested
- Wide support (Easy to use)
- Not specific to a particular user (E.g. Microsoft)
- Capable of development into tailor-made software
What are the disadvantages of general purpose systems? - ✔✔ANSWER✔✔>>- Very
basic
- Low quality
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 docwayne5. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
