Answer:
Passive security attack are the unauthorized disclosure in the network attack. In this type of security attack a system are use for monitoring and sometimes scanning the open port. It basically include the monitoring the unprotected data and traffic analysis.
On the other hand, active security system modify the transmitted data and gain the unauthorized access from the computer system.
This type of security attack basically monitor the file transfer and electronic mail from the attacks which can be pass in the form of viruses in the computer system.
He should reread and find arcticles about life on the Mississippi River in the 1800s
Answer:
Opcode = 3
Mode =2
RegisterRegister =7
AR = 20
Explanation:
a) Number of addressing modes = 4 = 22 , So it needs 2 bits for 4 values
Number of registers = 65 = 1000001 in binary , So it needs 7 bits
AR = 20
Bits left for opcode = 32 -(2+7+20) = 3
