Answer:
We see an object when light falls on it and gets reflected from its surface and enters our eyes. In a dark room, there is no source of light. no light falls on the surface of objects and we do not see them. This is why we cannot see the objects in a dark room.
Answer:
False
Explanation:
A Domain Based Security. "Domain Based Security", abbreviated to "DBSy", is a model-based approach that is being used in analyzing information security risks in a business context and offers an apparent, understandable and direct mapping among the risks and the security controls needed to handle them.
While A security domain is the list of items a subject is permitted to access. More largely defined, domains are collections of subjects and objects with related security requirements.
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.
