Which of the following elements is a noble gas?
Helium is a noble gas, which is a group of elements known for their low reactivity due to their stable electron configurations. Noble gases are colorless, odorless, and have very low boiling points. Oxygen (O) is a non-metal element essential for life and is commonly found in the atmosphere. Hydrogen (H) is a non-metal element and the lightest element in the periodic table. It is not a noble gas. Carbon (C) is a non-metal element and is the basis of organic chemistry.
A _________ is a text file that a Web browser stores on a user’s machine.
What is the purpose of the command grep in Unix-based operating systems?
What is the purpose of the "spooler" in an operating system?
What is commonly used for displaying information at public places?
The files which are deleted from hard disk goes to
Which of the following animations cannot be done in PowerPoint?
A Website’s main page is called its
CDs is which type of device?
In a multi-user operating system, what does it allow multiple users to do simultaneously?
Which of the following is used to direct and dispatch data packets between different networks?
