Give brief definitions of each of the following terms.
a. private key
b. digital signature
a. The key used by the receiver in a public-key system to decrypt the message.
b. An electronic signature that may be used with the same reliability as a written
signature.With a public-key system, the sender uses the private key to create a
signed message. The receiver uses the sender’s public key to decipher the message.
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Which of the following declares an array of 10 elements and assigns the value 5.6 to the first element?
a) float numbers[9]; numbers[0] = 5.6; b) float numbers[9]; numbers[1] = 5.6; c) float numbers[10]; numbers[0] = 5.6; d) float numbers[10]; numbers[1] = 5.6;
____________________ uses a specific file or an image that simulates a material, such as cork, granite, marble, or canvas.
Fill in the blank(s) with the appropriate word(s).
Where can you set a default theme for all HTML messages?
A. Save As dialog box B. Create Rule dialog box C. Rules and Alerts dialog box D. Signatures and Stationery dialog box
The line most commonly used by corporate government, and academic sites is ___
A. DSL B. T1 C. Cable D. satellite