It manages the soft and hardware resources of the system. It also provides a stable, consistent way for applications to deal with the hardware without knowing all of the details of the hardware
Answer:
a. True
b. False
Explanation:
b. False
At the initial stage, the certificate needs to be encrypted not by the public key of certifier.com but by the by the private key of certifier.com.
After which, the certificate which contains lots information, (i.e there's more information in the certificate than just the public key to be certified). The certificate also the CA’s information, the certificate expiration date, etc.
Only this information’s digital fingerprint is encrypted by the certifier.com’s private key.
I would say A. because that is true but mostly for older computers
Answer
program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). In addition, users can interact directly with the operating system through a user interface such as a command line or a graphical user interface
