Describe the difference between ASCII, extended ASCII and Unicode.
What will be an ideal response?
ASCII that stands for American Standard Code for Information Interchange and is a 7-bit code that represents 128 characters. The extended ASCII code is an 8-bit code based on the ISO 8859-1 and Microsoft windows Latin-1 standard. Unicode (Universal Code) is a multi-block of 16-bit code that represents the characters of all languages where each block belongs to one specific language.
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What bit can be set in CentOS 7 that ensures only the owner who created a file in his or her directory can delete the file and prevent malicious or accidental deletion by others?
A. security B. owner C. sticky D. permission
To provide a higher level of security, some operating systems require users to change their ________ regularly
A) Internet access B) password C) administrative account D) logon
The SelectionMode property of the ListBox object ____.
A. enables multiple selections to be made B. determines whether you can use the mouse or the keyboard C. sets which of the items is initially selected D. determines whether use selections can be added
Model as classes the activities of Figure 15-2 and the work products of Figure 15-4 and draw a UML class diagrams depicting the relationships between activities and work product.
What will be an ideal response?