Question 12 One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written? A 32 B 36 […]

Question 13 Read the following passage carefully and answer question numbers 13 to 17. I did that thing recently where you have to sign a big […]

Question 2 Suppose a database system crashes again while recovering from a previous crash. Assume checkpointing is not done by the database either during the transactions […]