Which of the following communication medium requires “line-of-sight”?
Format C is an example of virus _________
_________ uses liquid crystal between the glass plates
Analog signal is measured in
What type of operating system MS-DOS is?
Open System Interconnection(OSI) model consists of _________ layers
_________ is a collection of system programs that controls and co-ordinates the overall operations of a computer system
The translated program into machine code is called _________
Which of the following coding schemes uses 4-bit code?
Which of the following keyboard shortcuts is used to change the case?
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