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WorksheetsStarter 29/2
Total questions: 22
Worksheet time: 13mins
Application software is...
help the user run specific tasks like word processors, web browser, email, clients, games, etc
run tasks like the operating systems, utilities, etc
help the user run things down
run tasks like the doing my homework, revision, etc
What runs tasks like the operating systems, utilities, etc
Embedded systems
Application software
System software
Dedicated systems
Examples of embedded systems are (pick 2)
an aeroplane
microwaves
dishwashers
The Brain of the Computer...
Central Processing Information
Central Processing Unit
Centrel Processing Unicorn
Central Processing Chip
The five parts to the CPU are:
transistors, processing things
Control Unit, Arithmetic Logic Unit, Cache, Clock, Buses
Power supply, fan
CU, ALU, Cache, Clock, Buses, Registers
RAM is
Volatile
Non-Volatile
Magnetic Hard Disks are...
high capacity, low cost per gigabyte
low capacity, reliable storage
high capacity, unstable storage
low capacity, unstable storage
Solid State Drives are...
Fast and unstable secondary storage
Slow and reliable secondary storage
Fast and reliable secondary storage
Slow and unstable secondary storage
What manages the hardware and runs the software?
Computer Systems
Dedicated Systems
Embedding Systems
Operating Systems
Operating systems are amazing things but they need a certain set of tools of their trade...
Utilities
Utilites
Tool Box
Kit
Select two valid ethical considerations for cloud storage.
Environmental: Storing and retrieving data on the cloud uses energy.
Robustness: Your data might get lost on the cloud
Cost: Cloud storage might require a monthly subscription cost
Privacy: You have less control over where your data is stored.
Magnetic hard-drives use moving parts to store and read data. Which parts of a hard-drive move when it is operating? (Select all that apply)
The read/write head
The output connector
The outer casing
The discs
Which of these diagrams is correct for an OR gate?
Complete this truth table for an AND gate.
0000
0001
0111
1111
Which of the 3 categories of secondary storage is the least durable due to its moving parts?
Optical storage
Primary memory
Solid state storage
Magnetic storage
Which are two advantages of Solid State Storage over Magnetic storage
Faster access times
More portable
Lower Cost per gigabyte
Higher Capacity
A read head on a hard drive works by detecting changes in magnetic polarity on the surface of the platter, which represents the binary data stored as 1s and 0s.
True
False
