List several areas within operating systems in which the use of cryptography would greatly improve security.

What will be an ideal response?

Knowledge of cryptography allows users to encrypt passwords, files, transmissions in a
network, and data tables.This provides added security to the system as a whole.

Computer Science & Information Technology

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If a thread calls __________, then every thread waiting for the object becomes eligible to acquire the lock.

a. signalEach b. signalAll c. signal d. signalMethods

Computer Science & Information Technology

How would you communicate each of the following messages?

a. The system is coming down tomorrow at 6:00 in the evening for periodic maintenance. b. The system is coming down in five minutes. c. Zach’s jobs are slowing the system down drastically, and he should postpone them. d. Zach’s wife just had a baby girl.

Computer Science & Information Technology