unit 2: Global Information Flashcards
Who are the holders of information?
individuals
government
business organisations
government and healthcare services
charities
community organisations
What is digital divide?
the difference in access to digital re sources in different areas of the world
What is the global divide?
access to internet is not even and it is affecting on global divide
Difference between developing and developed countries?
developing countries tend to have a less developed industrial base than developed countries.
What are the types of information storage media?
paper
optical media
magnetic media
solid state media
What is mean by Mutability?
Quality of being changeable
What is mean by robustness?
Quality or condition being good or strong in something
What is access in data?
Users will be able to access data and location through an authenticated manner from an organisation
What is mean by costs?
value of good and services purchased by the customer
What is storage capacity?
storage capacity is amount of disk space provided by one or more devices
What are the characteristics of paper?
Flexible
light weight
printerbility
Advantages of paper?
versatile
low cost material
easy to consume
Disadvantages of paper?
Highly inflammable
Take up lots of space
Not durable
What is mean by holders of information?
Third party that protects intangible information of a person or an organisation
What is optical media?
Optical media utilizes laser light to read and write data on a disk
what are the characteristics of optical media storage?
Hold large amount of data
Distributing content
Portable
What are the advantages of optical media?
Low cost per bite storage
Long media life
High data stability
What are the disadvantages of storage ?
slower access time
compatibility issues
mechanical components
What is magnetic media?
Any format where digital information is recorded
What are the charateristics of magnetic media?
non volatile
crucial in long term storage of data
ensure data preservation
What are the advantages of magnetic media?
long life and reliable
high capacity
inexpensive
data security
What are the disadvantages of magnetic media?
Slower access speed
Size and weight
Sensitivity to physical damage
Power consumption
Noise
What is solid state media?
Type of computer storage media that stores data electronically and has no moving parts.
What are the characteristics of solid state media?
Speed
No noise
Capacity
Reliability
High pricy
What are the advantages of solid state media?
Faster read and write
Durability
Quieter
What are the disadvantages of solid state media?
expensive
performance
life expectancy is low
What is meant by purpose and characteristics of storage media?
how much data can be stored in particularly device and the speed of storing and accessing the data that is stored on the device
What are the types of information access and storage devices
Handheld devices
Portable devices
Fixed devices
Shared devices
What is processing power?
The amount of calculations completed within a fixed period of time
What is versatility ?
the ability of a device to complete different tasks
What is mean by storage capacity?
The amount of data that can be stored in a device
What are known as handheld devices?
They allow users to sun wide variety of software applications
What are the characteristics of handheld devices?
Touchscreen
Buildup with WiFi and cellular data
GPS
What is a portable device?
the devices that allows you to take them to places
What is known as fixed devices?
Devices that stores data and cannot be moved
What are shared devices?
Devices that enables organisations to configure iOS and Android
What are the characteristics and advantages of portable devices?
Small and light weight devices
Easy to take anywhere
convinience
What are the characteristics and advantages of fixed devices?
