A- Digital Devices In ITSystems Flashcards
What are multi functional devices?
They perform several different purposes like a smartphone
What is a mainframe computer?
They are computers which are used to process enormous amounts of data
What is a server?
Servers provide services for other computers, they can be used to store data files centrally so several people can access them
What does the cloud mean?
It is used to refer to servers which are geographically separate from the user
What is fibre optic?
Faster broadband connection than copper cabling
What can be used to connect devices in a PAN wirelessly
Bluetooth
What are key functions and uses of digital devices?
- Education
- Social
- Personal
- Retail
- Business
What are the different types of peripheral devices?
- Input devices
- Output devices
- Storage devices
What is a device which is used to send information to the computer?
Input device
What is an output device?
It provides information to the user from the computer
What is a storage device?
It is a peripheral which stores data which can be transferred or shared or backed up
Give examples of storage devices
- Hard drives
- USB drive
- SD cards
What is automatic data processing?
It is a data collection or process carries out by a computer with very little human input
What is meant by the accessibility of a device?
What alternative input and output options are available when using digital tech because of a disability
What storage devices are used by individuals?
USB drives, DVDs, CDs
Why might businesses ban the use of personal storage devices?
They pose a security risk or data could be lost
What is a computer operating system?
It is the platform which enables software installed on a device to work and provides an interface
What is an interface?
An interface is a device or program enabling a user to communicate with a computer
What is a GUI?
Graphical user interface is a way of interacting with a digital device using icons
What functions do operating systems manage?
- Networking
- Security
- memory
- multi tasking
- device drivers
What are the factors which affect the choice of UI?
- graphical
- command line
- menu based
- adaptive
What is utility software?
Utility software is used to analyse, configure, optimise or main time a computer
What is the purpose of utility software?
- security checks
- removing viruses
- backing up data
- managing peripherals
What factors can affect the performance of utility software?
- bandwidth
- memory failures
