Is it this question? I think the hardest question in the world is the one you just asked! Am I right?
Before the use of technology such as computers, information was documented through papers separated in folders. This was a very long and complicated process as people would have to find information by hand, sorting through countless documents. Now, it is much easier and neater to keep information. It can be as easy as digitally searching for someone's name and the computer will sort through countless documents, finding the one you need almost instantly. It is also much less wasteful and safe, as before computers, the use of paper was the only way to permanently keep information, also making documents vulnerable to being lost or stolen.
Answer:
Firms that use high-speed computers and communications networks to execute millisecond trades for themselves
Explanation:
High Frequency traders are different entities that take part in the market that use powerful computers to be able to be fast at answering to news and have a big number of trades. These traders use advance tools to evaluate the markets and anticipate trends quickly to obtain profits from the trades they make. According to this, the answer is that High Frequency Traders are Firms that use high-speed computers and communications networks to execute millisecond trades for themselves.
The device which typically combines the capabilities of a scanner , fax ,and copying machine is called an input device.
