D Question 24 4 pts Which of the statements about a process control block is fal

Question

D Question 24 4 pts Which of the statements about a process control block is false? c a) A process control block allows the OS to save register and context information for a running process a b) A process control block allows the OS to restart an interrupted process c) A process control block greatly reduces the memory requirements of a process C d) None of the above D Question 25 4 pts What are the main structural elements of a computer? a) Processor C b) Main memory C d) System bus C e) All of above

Explanation / Answer

Sol. Question 24. : Option C is false

because Process Control Block is a data structure in the operating system kernel containing the information needed to manage a particular process. The PCB is the manifestation of a process in an operating system.

The PCB contains important information about the specific process including

The PCB is a certain store that allows the operating systems to locate key information about a process.

Question 25 : Option b and c are correct

The main structural elements associated with a computer system are as follows:

Question 22 : Option b is false

A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files should they ever be terminated from the company.

The word Malware is short for malicious software, and is a general term used to describe all of the viruses, worms, spyware, and pretty much anything that is specifically designed to cause harm to your PC or steal your information.

Trojan horses are applications that look like they are doing something innocuous, but secretly have malicious code that does something else. In many cases, trojans will create a backdoor that allows your PC to be remotely controlled, either directly or as part of a botnet—a network of computers also infected with a trojan or other malicious software.

Question 23 : Option d is correct

A process is an instance of a computer program that is being executed. It contains the program code and its current activity. Depending on the operating system (OS), a process may be made up of multiple threads of execution that execute instructions concurrently

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