WorksheetsBTEC DIT COMP3 Notation, Comm. Tech. and Cloud Storage
Total questions: 33
Worksheet time: 24mins
Draw the Entity symbol for Data flow diagrams
What does this symbol mean in a Data flow diagram?
Data Store
Process
Entity
External Process
Who had the lowest Orders?
Ralph
Bill
Janet
Frank
Name one benefit of Data flow diagrams
Data flow diagrams show the hardware required
You can quickly see how data moves through a system
Data flow diagrams use the same symbols as other flow charts
Data flow diagrams are hard to understand
Name two benefits of flow charts
It shows the order in which tasks are completed with a system
Anyone without prior knowledge can understand a flow chart
It can help a person to see where the problems are within a system
Changes can be easily made without re-drawing the flow chart
What could this picture be used to represent in a system diagram? (select 2)
Customer
Helpdesk
Data store
User Communication Method
Who had the highest Total Sales?
Ralph
Sam
Janet
Frank
What does this symbol mean in a flow chart?
(a)
What does this symbol mean in a flow chart?
Customer
Start/End
Decision
True/False
What does this symbol mean in a flow chart?
(a)
In a system diagram what could this symbol represent?
Data Store
Helpdesk
Data Flow
Database
In an Information flow diagram what does this symbol mean? (click 3)
Actor
External Entity
Customer
Accounts Department
A type of wireless network that does not rely on fixed hardware is called a...
Bluetooth
Closed WiFi
Ad hoc network
WAN
Name the benefits of an Ad hoc network (click 2)
They are scalable, which means that more devices can be added at any time
They are flexible, can be set up anytime and anywhere
They are less secure
They require only simple fixed hardware
What does PAN stand for?
(a)
What is the term for data or information that has been converted to a type of code that cannot be understood without a translation key?
(a)
Select the three performance issues with Ad hoc networks (click 3)
Intermittent signal
Insecure
Limited range
Interrupted data transfers
A Personal (a) uses a phones internet connectivity to allow a laptop to have access to the internet
What is the main drawback of open networks?
Slow streaming
Limited range
Insecure
Expensive
What is the term used to describe data being sent to your device in a continuous flow to a device connected to the internet?
(a)
What does USB stand for?
Universal Storage Bus
Universal Storage Bank
Ultimate Storage Bit
Universal Serial Bus
What is the term for when files are held on two devices and updated regularly to keep the same content?
Uploading
Synchronising
Downloading
USB
Cloud storage is... (click 2)
Files stored on a server so they can be accessed via the internet
Files are stored on a hard drive
Data can be saved to a USB
Data on a device can be uploaded to the cloud
What does GDPR stand for?
General Data Personal Rules
General Data Processed Rights
General Data Protected Rules
General Data Protection Regulations
With cloud storage you can access data from anywhere with an internet connection, is this a Benefit or Drawback?
Benefit
Drawback
What is the term used for when increasing amount of storage you can use in the cloud?
Server
Synchronising
Storage
Scalability
Security
Select the two drawbacks of Cloud storage (click 2)
Cannot access without an internet connection
Cannot store all types of data
Need a VPN to use
Hardware is expensive
Can be expensive for lots of storage
A (a) is a computer that manages data being delivered between machines connected in a local network
Select 4 benefits of cloud computing
No need for updates
No installation
Its scalable
Accessible from anywhere
Cost effective
Select the definition of cloud computing
Using a computer without internet access
Web-based applications are accessed via the internet
Working within a PAN
Connecting to a local printer
Cloud computing allows people to (a) a file via the internet
What does this button allow users to do?
Add comments on the text document
Add comments to the blog
Add comments to Google
Which would you select to allow a collaborative person to just see and not edit the document
A
B
C
