It is B- An L-type cylinder head.
Explanation:
The standard punch card (for computers) was invented and developed by Herman Hollerith. But the idea of punch cards was already long invented, used to control Jacquard looms.
Jacquard looms were looms that used punch cards to control the pattern a loom weaves.
The idea of punch cards in Jacquard looms also influenced Charles Babbage, who decided to use punched cards to control the sequence of computations in his proposed analytical engine. Unlike Hollerith's cards of 50 years later, which were handled in decks like playing cards, Babbage's punched cards were to be strung together.
She needs to use animations to enhance her presentation
Step 1
Save your work and close all programs. You will be restarting your computer during the process.
Step 2
Click “Start” from the task bar and then choose “All Programs.”
Step 3
Click “Accessories” from the program menu. Choose “System Tools” from the side pop-out menu and then select “System Restore.”
Step 4
Click “Restore my computer to an earlier time” from the Welcome screen. Click “Next” at the bottom.
Step 5
Choose a date in bold from the calendar shown on the Restore Point page. The date that you choose should be an earlier one, like a day or two before the deletion occurred. Click “Next” at the bottom of the window.
Step 6
Click “Next” on the next page. The restoration begins, and your computer will restart.
Step 7
Click “OK” from the completion window that appears when your computer loads again.
