You can make adjustments directly to pixels on a layer, but you can't go back and re-adjust at a later time.

A facility would like to verify each individual's identity prior to allowing access to the datacenter. Additionally,the facility would like to ensure that users do not tailgate behind other users. Which of the following would BEST meet these goals?

A. Implement a biometric reader at the datacenter entrance and require passage through a mantrap B. Implement a security guard at the facility entrance and a keypad on the datacenter entrance C. Implement a CCTV camera and a proximity reader on the datacenter entrance D. Implement a biometric reader at the facility entrance and a proximity card at the datacenter entrance

__________ is when the control unit examines the opcode and generates a sequence of micro-operations based on the value of the opcode.

Fill in the blank(s) with the appropriate word(s).