Answer: C) Slots Explanation: In computing, the expansion card or board or accessory card is a printed circuit board that can be inserted into an electrical connector or expansion slot, on a computer motherboard, to add functionality to a computer system via the expansion bus.

Answer: A) 256 kb to 640 kb Explanation: Size of the primary memory of a PC ranges between 256 KB to 640 KB.

Answer: B) Hard copy Explanation: Hard copy is the output which is printed by the computer.

Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.

Answer: C) Primary Memory Unit Explanation: Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.   Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.   Manufacturers often use the term RAM, which stands for random-access memory.​

Answer: D) Bug Explanation: In computer technology, a coding error in a computer program is called a bug.

Answer: A) DPI Explanation: Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).

Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another.   For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.