15538093
Description
Mind Map by Isaac Clements, updated more than 1 year ago
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Created by Sam Haynes
about 6 years ago
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Copied by Isaac Clements
almost 6 years ago
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1.7 isaac
- GUI
- Graphic User Interface
- Graphic User Interface
- DOS
- Command Line Driven
- H:\>dir
- This would show the user everything related
to the network
- This would show the user everything related
to the network
- C:\>dir
- This shows the hardrive
- This shows the hardrive
- If the input has '/p' at the end, the
screen will pause at the end of
each screen to allow the user to
read it.
- cd.. goes back one
folder
- cd\ goes back to the start (root)
- When something is copied, it goes into RAM unless a destination is specified by user
- * = anything
- *.* = everything in folder is deleted permanently
- Command Line Driven
- Diagram of System Software
- System
Software
- OS
- Utility Programs
- Anti-Virus
- Disk Defragmentation Tool
- Disk Copier/Formatter
- Disk Compression
- Anti-Virus
- Device Drivers
- Graphics Card Driver
- Network Interface Card Driver
- Graphics Card Driver
- OS
- System
Software
- Keywords
- System Software
- Software that
controls a
computer's
hardware
- Software that
controls a
computer's
hardware
- OS
- Provides an interface
between user and the
hardware
- Provides an interface
between user and the
hardware
- Virtual Machine
- Hides complexities of hardware from the user
- Hides complexities of hardware from the user
- Memory Management
- The OS allocates memory between the
different programs that are open at the
time
- The OS allocates memory between the
different programs that are open at the
time
- Device Drivers
- Gaming mouse, etc
- OS specific and are
updated regularly
by companies
- A piece of software that is
used to control a piece of
hardware
- Gaming mouse, etc
- Peripheral management
- Hardware not directly connected to the CPU
- E.G. settings in Windows
- Hardware not directly connected to the CPU
- File management
- Needs the specific
track, sector and
surface address but
the user doesn't
know where they are
kept
- Needs the specific
track, sector and
surface address but
the user doesn't
know where they are
kept
- Utility Software
- Maintains the computer or system
- Maintains the computer or system
- Lossy
- Form of data
compression in which
some original data is lost
menaing that the original
file can't be recreated
- Form of data
compression in which
some original data is lost
menaing that the original
file can't be recreated
- Lossless
- Form of data compression
in which no data is lost and
original file can be
recreated
- Form of data compression
in which no data is lost and
original file can be
recreated
- Public key
- Used to encrypt anything anyone wants to send to a person
- Used to encrypt anything anyone wants to send to a person
- Private key
- Only the person who is the intended recipient can decrypt
- Only the person who is the intended recipient can decrypt
- Compression
- Reducing the size of the file
by performing an algorithm
on the original data
- Reducing the size of the file
by performing an algorithm
on the original data
- System Software
- Defragmentation
- Speeds the computer
up
- It brings together all the
files that have been
saved and then edited
later on to one location
- Speeds the computer
up
- Backing up Data
- We backup data that
has value. You nneed to
have a backup strategy
- The backup strategy will include...
- Who does it?
- What data is being backed up?
- How often?
- Where is it saved to and where is that kept?
- How is it restored?
- How long will it take?
- Hot start
- Another office to replace the primary
office in event of a fire or natural disaster.
This allows them to just go to the new
building and upload the software
- Another office to replace the primary
office in event of a fire or natural disaster.
This allows them to just go to the new
building and upload the software
- Cold start
- Pay a share into a generic, shared office.
Recovery is slower than a hot start as you have
to upload programs as well as the software
and data. It also isn't necessarily set up in the
way the company would like it
- Pay a share into a generic, shared office.
Recovery is slower than a hot start as you have
to upload programs as well as the software
and data. It also isn't necessarily set up in the
way the company would like it
- Hot start
- Who does it?
- The backup strategy will include...
- Full backup
- Everything is backed up
- Recovery takes a long time
- Everything is backed up
- Incremental backup
- Full backup initially made
- Each night, only changes are backed up
- Quicker to save, slower to restore
- Full backup initially made
- We backup data that
has value. You nneed to
have a backup strategy
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