Explain how a simple serial number stored in a cookie can be used to store personal information.
What will be an ideal response?
The cookie is personal information about session activity and user habits in browsers. The serial number could encode the time of the visit to a website, the IP address, the browser used, the time spent on the site, etc.
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What does the following statement declare? int *countPtr, count;
a. Two int variables. b. One pointer to an int and one int variable. c. Two pointers to ints. d. The declaration is invalid.
Answer the following questions true (T) or false (F)
1. A file is automatically closed when a program terminates, so there is never a need to close a file. 2. The flush member function copies the file buffer to the file on the file medium (disk, tape, etc).
The __________ incorporates routines that allow the user or programmer to create, delete, modify, and manipulate files logically, by name.
a. BIOS b. file system c. PICOS d. user interface
You would adjust the ________ to control the lightness or darkness of a picture
Fill in the blank(s) with correct word