471. Which type of actuator generates a good deal of power but tends to be messy?
A. set
B. setq
C. eva
D. add
E. None of the above

472. Which type of actuator generates a good deal of power but tends to be messy?
A. electric
B. hydraulic
C. pneumatic
D. (B) and (c) above
E. None of the above

473. Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex inter connections existing among the human brain’s nerve cells. What name is given to such type of computers?
A. Intelligent computers
B. Supercomputers
C. Neural network computers
D. Smart computers
E. None of the above

474. The hardware features of LISP machines generally include:
A. large memory and a high-speed processor
B. letter-quality printers and 8-inch disk drives
C. a mouse and a specialized keyboard
D. both (a) and (c)
E. None of the above

475. In 1985, the famous chess player David Levy beat a world champion chess program in four straight games by using orthodox moves that confused the program. What was the name of the chess program?
A. Kaissa
B. CRAY BLITZ
C. Golf
D. DIGDUG
E. None of the above

476. The explanation facility of an expert system may be used to:
A. construct a diagnostic model
B. expedite the debugging process
C. explain the system’s reasoning process
D. All of the above
E. both (b) and (c)

477. A process that is repeated, evaluated, and refined is called:
A. diagnostic
B. descriptive
C. interpretive
D. iterative
E. None of the above

478. Visual clues that are helpful in computer vision include:
A. colour and motion
B. depth and texture
C. height and weight
D. a and b above
E. None of the above

479. In LISP, the function X (x). (2x+l) would be rendered as
A. (lambda (x) (+(*2 x)l))
B. (lambda (x) (+1 (* 2x)
C. (+ lambda (x) 1 (*2x))
D. (* lambda(x) (+2×1)
E. None of the above

480. A natural language generation program must decide:
A. what to say
B. when to say something
C. why it is being used
D. both (a) and (b)
E. None of the above