I believe it is the first one, i did some research for this question
        
             
        
        
        
Answer:  b)It helps to engage workers in continuous improvement activities.
Explanation: Poke-yoke method was the technique to eliminate the mistakes that happen in a manufacturing process. It helps in avoiding the issues in the product and correcting those errors. 
Mistake proofing is the mechanism of this methods that ensures about the product manufactured is safe from any failure and defects.It alerts the workers to improve the product through their working.
Other options are incorrect because it was developed by Shigeo Shingo , they had easy mechanism and feedback system did not told the workers about defects.Thus, the correct option is option(b).
 
        
                    
             
        
        
        
Answer:
Google uses automated programs called spiders or crawlers, just like most search engines, to help generate its search results. Google has a large index of keywords that help determine search results. ... Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score.
 
        
                    
             
        
        
        
Answer:
True
Explanation:
C language is developed with the help of UNIX in 1972. It was developed by Denis Ritchie at Bell labs. many languages are developed with the help of C Platform. Such as C++, C sharp and Java.