Copyright - ANSWERSLaw that legally protects ownership of data
Improved performance - ANSWERSMaking something fuction more efficiently
Reduced costs - ANSWERSLowering operation costs to increase profits
Computer - ANSWERSA machine that processes digital data
Server - ANSWERSPowerful computer that controls other devices on a network
Laptop - ANSWERSA mobile (portable) computer
Smartphone - ANSWERSMobile device with the main fuction of calling and texting with additional
fuctionality
Programmable digital devices - ANSWERSAny object with a digital control
Input - ANSWERSSomething that puts data into a device
Output - ANSWERSSomething that sends data out of a device
, Storage - ANSWERSA type of memory which holds data
Automated system - ANSWERSA combination of hardware and software to carry out a function without
human intervention
Eg. Central heating
Magnetic strip reader - ANSWERSRead the magstripe (strip) on cards such as credit cards
OCR - ANSWERSOptical character reader
Optical character reader - ANSWERSRead text and convert it to digital data,some can read handwritting
aswell as printed text
OMR - ANSWERSOptical mark reader
Optical mark reader - ANSWERSRead marks on a pre-printed sheet, used for surverys and lottery tickets
RFID - ANSWERSRadio frequency identification systems
Radio frequency identification systems - ANSWERSAttatched to clothing to trigger alarms when passed
through scanners at the exit of a shop
Barcode scanner - ANSWERSScans barcodes and turns the unique pattern into a product code
Network - ANSWERSDevices which have been connected together
Local area network (LAN) - ANSWERSDevices connected in one building eg. In an office
Wide area network (WAN) - ANSWERSDevices connected across different buildings or countries eg. The
internet
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 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 Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.52. You're not tied to anything after your purchase.