A preselected value that stops the execution of a program is often called a(n) ____________________ value because it does not represent real data.
Fill in the blank(s) with the appropriate word(s).
dummy
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Suppose that only 80% of the STUDENT records from Exercise 17.28 have a value for PHONE, 85% for MAJORDEPTCODE, 15% for MINORDEPTCODE, and 90% for DEGREEPROGRAM, and we use a variable-length record file. Each record has a 1-byte field type for each field occurring in the record, plus the 1-byte deletion marker and a 1-byte end-of-record marker. Suppose we use a spanned record organization, where each block has a 5-byte pointer to the next block (this space is not used for record storage).
(a) Calculate the average record length R in bytes. (b) Calculate the number of blocks needed for the file.
The ____________________ function joins two or more text strings into one.
Fill in the blank(s) with the appropriate word(s).
____ is not a comment delimiter in C++.
A. /* B. */ C. // D. \\
When sending an email to multiple recipients, separate the addresses with a ____. ?
A. ?comma B. ?semicolon C. ?either a. or b. D. ?neither a. nor b.