Mock Scheme 2022 Flashcards
What is bits per second
The number of bits processed over a certain period of time
What is real time processing used for
online booking systems and involves processing data as it entered into the system
What will compression do
Decrease file size and remove detail not visible to human eye from image
What does compression prevent
prevents lag when streaming a video
What is an ADC
Analogue to digital converter
What are the 3 vs
Volume variety Velocity
What is a backup
A copy of an original file used to restore data
What is optical storage
Storage that uses a laser to read and write dark and light locations such as bits
What is capacity
The amount of data that a storage medium can hold
What is cloud storage
Storage that holds data at a remote location
What is the ALU
Processed all data in the CPU, Performs all mathematical calculations such as add, subtract, multiply and divide. Executes all logical operations such as true false greater than less than equal to
What is the IAS
Stores programs temporarily while they are being used
Fetches instructions from specific memory locations
Advantages and disadvantages of a 3d printer
Printed using different materials, Can produce a 3d model
Expensive to purchase, limited as you can only print a prototype, not good for large scale manaufacturing
features ring network
If cable fails whole network fails, Data travels in one direction, has to visit every machine before reaching destination.
What is a network protocol
set of rules to allow communication between two different communication systems
