Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?

Correct Answer: foreign keys.

Correct Answer: the processing speed depends on DATA BUS WIDTH

Correct Answer: Repetitive Strain Injury

Correct Answer: FIFO (First In First Out) stack is used in 8086 In this type of Stack the First Stored Information is retrieved first

Correct Answer: Object Repository means not a collection of objects it's a common repository for all the people (testing, developers) for seeing all the data in single login for example QA wants to see 5 testers works then he goes to each person login and see the data It's very difficult job for this we can use Object Repository

Correct Answer: LIFO (Last In First Out) stack is used in 8085 in this type of Stack the last stored information can be retrieved first

Correct Answer: Graphical User Interface

Correct Answer: The OSI Model is used as a reference model The primary reason the OSI model was created was so that different networks could inter-operate Hence, different networks could communicate

Correct Answer: Bus

Explanation:

Ethernet uses Bus topology.

Correct Answer: Job queue Ready queue Device queue