A computer bug is:
a. A moth on the computer screen.
b. An error in a solution.
c. A computer chip.
d. A problem solving tool.
b. An error in a solution.
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Which statement is true of using files?
a. Files must be opened by the user before being used. b. Files must be closed by the user after being used. c. Files that are opened must be closed. d. All of the above. e. None of the above.
Sockets ________.
a) are used for unidirectional communication between processes on separate computers b) are used for bidirectional communication between processes on the same computer and processes on separate computers c) are represented internally as files, and can be accessed via read and write calls. d) both b and c
Which of the following is not a valid test in an =IF statement?
A) A4
The ________ function takes a serial number value and returns the day of the week
A) WEEKDAY B) SERIAL C) CHOOSE D) WORKDAY