1. The main working memory in a computer is called? a. ROM b. RAM c. Processor 2. It stores the applications and programs that run on the PC, as well as any work created by users. a. RAM b. CD/DVD c. Hard drive 3. These cards are installed inside a PC and are responsible for determining the quality of the visuals output by the computer. a. Graphics Card b. Audio card c. adapter card 4. These are two leading companies when it comes to manufacturing processors. a. HP and DELL b. Epson and Canon c. AMD and INTEL 5. This card allows a computer to be connected to a network a. Audio card b. Graphics card c. Network card 6. It is a free open source operating system a. Microsoft Windows b. Linux c. Mac OS 7. Routers have two types of ports available at the back. Which is not part of it? a. LAN b. WAN c. WLAN 8. It basically means to create a redundant copy of a data. a. Data backup b. Image copy c. Hard Copy 9. It refers in any kind of malicious codes, objects or content. a. Software b. Spyware c. Malware 10. This is an application that checks the computer’s hard drive for errors and bad sectors. a. Scan b. System restore c. Scan disk​