Computing quiz half term Flashcards
(24 cards)
Which one of these are NOT Boolean operators?
A) AND
B) ALSO
C) OR
D) NOT
B) Also
Define a Venn Diagram
A series of overlapping circles that represents logic in a graphic.
Define a Truth Table.
A table of the outputs from all possible combinations of input.
Is “PRESENT/ABSENT” typically used to represent inputs or outputs in circuits?
No
How many inputs does the NOT gate have?
One
What is the symbol for an AND gate?
A D-shaped symbol.
What is the symbol for a NOT gate?
A triangle with a small circle at the output.
How do OR and AND gates function?
The OR gate provides an output if at least one input is on. The AND gate provides an output only if both inputs are o
What is a combination of connected logic gates called?
A logic circuit
Does the NOT gate have one symbol?
Yes
What is an Algorithm?
A set of instructions that achieve a specific goal.
How do you reduce the number of instructions in a program?
Use repeat commands
What is a repeat command that is put in other repeat commands called?
A nested loop.
What is the difference between a Lossy and Lossless Compression
Lossy means the original data will lose some quality once it is decompressed, Lossless means the original data will be restored exactly once decompressed
What is an ASCII Table?
A table that contains characters and the binary they represent.
What does binary representation represent?
Alphabetical letters or numbers
Abstraction is?
Where we hide or remove details that aren’t important to the problem
Decomposition is?
Breaking down a problem into smaller problems that are more manageable
What is a tiny, coloured square that makes up a big image called?
A pixel
Can Network Nodes and Edges vary based on the specific diagram provided?
Yes
What does the Shortest path in a network depend on?
It depends on the specific connections.
How to send a packet of data through a network?
Crucial information includes the destination address and the packet number.
What are Bits for image storage?
A black and white image with a width of 10 pixels and a height of 10 pixels will need 100 bits to store the data.
Conclude if Tim is a dog, he has two legs
He nod a dog.
