Question
Waves that are required for long distance wireless
communication are –Solution
Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short,suchasafewmetresfortelevisionremote control, or as far as thousands or even millions of kilometres for deep-space radio communications.
Which of the following is a property of a relational database?
What is a table joined with itself called?
Which debugging tool allows a developer to pause program execution at specific lines, inspect variable values, and execute code step-by-step?
Which normal form eliminates transitive dependency?
Which SQL clause is used to group rows based on one or more columns?
What is the primary purpose of a "Trigger" in a database?
In DBMS, which scheduling method ensures serializability of transactions?
Consider a scenario in an OOP application where a `NullPointerException` (or equivalent) occurs when trying to access a member of an object. What is the...
Which system call is used to create a new process in UNIX/Linux?
The command to test reachability of a host in Linux is:
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