Answer:
A white hat hacker, or ethical hacker, uses penetration testing techniques to test an organization's information technology
Explanation:
The answer is A1.
The columns are arranged alphabetically, and the rows are ordered numerically. The cell address states the column, a letter, followed by the row, a number. The first cell address, the top-left cell of the sheet, is A1
Explanation:
A computer system can be divided into two components which are responsible for providing the mechanisms to input and output data, to manipulate and process data, and to electronically control the various input, output, and their storage. ... They are known as hardware and software.
They're bytes consisting of 8 bits, so the max value is 2^8-1 = 255
Answer: True
Explanation: Power supply is the power source which is gained from the power supply unit. The unit is found on the upper level of the motherboard where the Alternating current is changed to the direct current.
The fan present in the central processing unit (CPU) is for exerting off the heat from operating system and cooling down the system.The cool air in inserted in the system and blows away the heat .Thus,the statement given in the question is true.
