The protocols that are at the heart of Internet communication are known as:
A. TCP/IP
B. VoIP
C. NSFNET
D. CSNET
Answer: A
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Answer the following statements true (T) or false (F)
1. The StringToReal library function accepts a Real value as an argument and returns its string equivalent. 2. The delete library module does not actually remove characters from a string but replaces them with delimiters. 3. The insert library module requires three arguments. 4. Because an uninitialized variable contains no data, you cannot access its contents.
Write a small application with a GUI that could be the basis of a larger application. Your application should accept a credit card number entered into a text field. When the user clicks an Accept button, you should check whether the number entered contains exactly 16 digits. If so, display the message Number accepted: as well as the card number in a label, and then clear the text field. If not, display the message Number rejected in the label. (Note: Credit card numbers have fancier format requirements that depend on the issuer of the card and are beyond the scope of this exercise.)
What will be an ideal response?
Which of the following areas is NOT checked by the Accessibility Checker?
A) Merged cells B) Print area C) Table headers D) Alt text
Colored light is the basis for what color system?
What will be an ideal response?