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Please show work for 18 and explanation of how you got the answer! Not an graded assignment!

Please show work for 18 and explanation of how you got the answer! Not an graded assignment!

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please show work for 18 and explanation of how you got the answer! Not an graded assignment!
18. (B) O The grid below contains a robot represented as a triangle, initially facing right. The robot can move gray square but cannot move into a black region. n The code segment below uses the procédure GoalReached, which evaluates to true if the robot is in the gray square and evaluates to false otherwise. REPEAT UNTIL (GoalReached ()) { Which of the following replacements for <MISSING CODE> can be used to move the robot to the gray square? <MISSING CODE> REPEAT UNTIL (CAN_MOVE (forward) = false) { } } } ROTATE RIGHT () MOVE_FORWARD () REPEAT UNTIL (CAN_MOVE (forward) = false) { MOVE_FORWARD () ROTATE_RIGHT () REPEAT UNTIL (CAN_MOVE (right)) { ROTATE_RIGHT () MOVE_FORWARD () Sign out REPEAT UNTIL (CAN_MOVE (right)) { MOVE_FORWARD () } ROTATE RIGHT ()
Transcribed Image Text:18. (B) O The grid below contains a robot represented as a triangle, initially facing right. The robot can move gray square but cannot move into a black region. n The code segment below uses the procédure GoalReached, which evaluates to true if the robot is in the gray square and evaluates to false otherwise. REPEAT UNTIL (GoalReached ()) { Which of the following replacements for <MISSING CODE> can be used to move the robot to the gray square? <MISSING CODE> REPEAT UNTIL (CAN_MOVE (forward) = false) { } } } ROTATE RIGHT () MOVE_FORWARD () REPEAT UNTIL (CAN_MOVE (forward) = false) { MOVE_FORWARD () ROTATE_RIGHT () REPEAT UNTIL (CAN_MOVE (right)) { ROTATE_RIGHT () MOVE_FORWARD () Sign out REPEAT UNTIL (CAN_MOVE (right)) { MOVE_FORWARD () } ROTATE RIGHT ()
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