Problem $1(4$ points$)$: Among the following biometrics: face recognition, iris recognition, voice recognition, finger print identification and Gait recognition:

A$-$ Which biometric has the highest accuracy: vis

B$-$ Which biometric is the worst in circumvention: G

Problem $2(8$ points$)$: For each of the following statements, fill the space with the correct answer:

$-$ In the RGB color format, a computer can distinguish between colors. different

$-$The average human eye can perceive a maximum of$.............$ different grey levels

$-$ The size of a $800$x$600$ binary image is Bytes.

$-$ In a digital image processing system the input is an image and the output is an image while in a computer vision system the input is an image while the output is

Problem $3(10$ points$)$: Circle the best answer among the given choices:

$-$Which among the following statements is correct:

A$)$ An admissible heuristic is always consistent.

B$)$ Hill climbing always finds a local maximum.

C$)$ If a sentence is satisfiable, then it is valid.

D$)$ None of the above.