ISRO CSE 2009
Q43.
Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stores in a bit serial manner in a sector. The capacity of the disk pack and the number of bits required to specify a particular sector in the disk are respectivelyQ44.
The five items: A, B, C, D, and E are pushed in a stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue. The two elements are deleted from the queue and pushed back on the stack. Now one item is popped from the stack. The popped item isQ45.
Assume that the operators +, -, \times are left associative and \hat{} is right associative. The order of precedence (from highest to lowest) is \hat{}, \times, +, -. The postfix expression corresponding to the infix expression a+ b \times c-d \;\; \hat{} e \; \; \hat{} \; \; f isQ48.
The five items: A, B, C, D, and E are pushed in a stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue. The two elements are deleted from the queue and pushed back on the stack. Now one item is popped from the stack. The popped item isQ49.
Which of the following scenarios may lead to an irrecoverable error in a database system?Q50.
Which of the following contains complete record of all activity that affected the contents of a database during a certain period of time?