Here is a description of a Turing machine. The input alphabet is (a, b). The state set is: (9o. a. 9b. qca. 9cb. Qleft. Qacc. arej) The transition function is given in the table below: 90 qa (q. a, R) (q. b, R) ab (qb. a, R) (qb. b, R) aca acb Cleft a (qa.*, R) (Qleft. *, L) (Grej. *, R) (left, a, L) b (ab.*, R) (rej.*, R) (left. *, L) (left, b, L) *(Qaco*. R) (qca.*, L) (9cb.L) (Qacc*, R) (qacc*, R) (qo.*, R) (a) Draw the configuration of the Turing machine after 3 steps on input 'aabba". When the Turing machine is in the initial configuration, it has executed zero steps.

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
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TURING MACHINE

Here is a description of a Turing machine. The input alphabet is (a, b). The state set is:
(9o. qa. 9b. qca. 9cb. Qleft. Qacc. arej}
The transition function is given in the table below:
90
a (qa.*, R)
b
(qb.*, R)
qa
(qa, a, R)
(qa, b, R)
* (qacc.*, R)
(qca.*, L)
(9cb.L)
(qacc.*, R)
(qacc.*, R)
(90.*, R)
(a) Draw the configuration of the Turing machine after 3 steps on input "aabba". When the Turing
machine is in the initial configuration, it has executed zero steps.
qb
(qb. a, R)
(qb. b, R)
aca
(dleft. *, L)
(rej. *, R)
acb
(Grej. *, R)
(Glieft. *, L)
Cleft
(left, a, L)
(left, b, L)
Transcribed Image Text:Here is a description of a Turing machine. The input alphabet is (a, b). The state set is: (9o. qa. 9b. qca. 9cb. Qleft. Qacc. arej} The transition function is given in the table below: 90 a (qa.*, R) b (qb.*, R) qa (qa, a, R) (qa, b, R) * (qacc.*, R) (qca.*, L) (9cb.L) (qacc.*, R) (qacc.*, R) (90.*, R) (a) Draw the configuration of the Turing machine after 3 steps on input "aabba". When the Turing machine is in the initial configuration, it has executed zero steps. qb (qb. a, R) (qb. b, R) aca (dleft. *, L) (rej. *, R) acb (Grej. *, R) (Glieft. *, L) Cleft (left, a, L) (left, b, L)
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