Answer: A) Web portal Explanation: Online functional learning portals are accessed through the web portal.

Answer: D) All the above Explanation: The basic operations performed by a computer are Arithmetic operation, Logical operation and Storage and relative.

Answer: D) All of the above Explanation: Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on  1. tracks per inch of surface 2. bits per inch of tracks 3. disk pack in disk surface   It can be shown as ::

Answer: C) by default all users can access Remote Desktop Explanation:

Answer: A) CPU Explanation: Central Processing Unit (CPU) is the brain of any computer system.

Answer: C) Delete a program from the hard drive Explanation: The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.   Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

Answer: D) All of the above Explanation:

Answer: C) 8 bit Explanation: Word length refers to the number of bits processed by a computer's CPU in one go. These days, typically 32 bits or 64 bits are used. Data bus size, instruction size, address size are usually multiples of the word size.