Dynamically expanding disks are slower than fixed-size disks.
Answer the following statement true (T) or false (F)
True
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Conventions are valuable because:
a. They’re a shorthand that enables users to understand what’s going on at a glance. b. They’ve been adopted as conventions because they’ve proven effective. c. They save you the time and trouble of inventing things from scratch. d. All of the above.
____ is the capability of deriving one class from another.
A. Polymorphism B. Inheritance C. Class construction D. Encapsulation
A primary key that is made up of two or more fields.
What will be an ideal response?
Julia encrypts a message to David using public key encryption for confidentiality. After encrypting the message, can Julia decrypt it?
A. No. Only David can decrypt it because only David knows his private key. B. No. Encryption is one direction and decryption is not possible. C. Yes. She can use David's public key to decrypt the message D. Yes. She can use David's private key to decrypt the message