Answer: True
Explanation:
The definition of minimum spanning tree(MST) says that the graph must be connected and undirected to be considered for MST. It has (V-1) edges where V is the number of vertices. The minimum spanning tree is implemented using Kruskal's algorithm whereby it starts by considering the minimum weighted edge and covers all the edges upto (V-1) edges. So for MST it has to be connected
Explanation:
SELECT
distributor_id,
COUNT(*) AS TOTAL,
COUNT(IF(level='exec',1,null)),
COUNT(IF(level='personal',1,null))
FROM sometable;
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The basic difference between RAM and ROM memory is RAM is read/write while ROM Is read-only.
Explanation:
- A ROM, non-volatile memory, does not use to store data, but RAM is volatile and requires power to store data.
- ROM is not given usually as a specification, but RAM is typically specified when buying a computer.
- We can write data only once in ROM. However, once it is written, we can read it any number of times. RAM is the main memory in a computer, and read from and write to it much faster than other storage types. RAM is used to store files in use on the computer.
Hence the basic difference between RAM and ROM memory is RAM is read/write while ROM Is read-only.
Answer:
Speakers.
Explanation: Cause they only output sound, and are devices, further more they are not used to output images, like how could speakers output images using sound? They can't.
