answer all the questions,thank you.

Which of the following is NOT a primary basic function of an operating system? a. manage files b. manage applications c. manage hardware d. manage the network Which of the following is a major update or fix to an operating system released by Microsoft? a. service pack b. security release c. patch d. version update Which tool can you use to see the BIOS version, the amount of memory installed, and the names of currently running drivers? a. Device Manager b. Performance Monitor c. System Information d. Windows Memory Diagnostics How should you handle motherboards and expansion cards? a. grab them by available sockets or connectors b. press your grounding strap against solder joints c. pick up with pliers or tongs d. hold them by their edges How do you know which side of the computer case you should open? a. the side that is closest to the USB and network ports b. all cases have a label that reads 'Open this side first' c. the side opposite the motherboard connectors d. the side to the right of the power supply fan What is the purpose of spacers? a. they elevate the motherboard to allow cables to run underneath b. they allow you to get your fingers underneath to raise the motherboard c. they prevent the motherboard from contacting the case d. they hold the motherboard in place When reassembling the computer, which component should you typically install first? a. power supply b. motherboard c. expansion cards d. RAM