Q. Dynamic allocation of storage areas with VSAM files is accomplished by

View solution

Q. Root directory of a disk should be placed

View solution

Q. CPU can access which type of memory directly?

View solution

Q. What is the effect of using a larger block size in a fixed block size file system?

View solution

Q. Consider a system with 32 bit virtual addresses and 1 kbyte page size. Why is it not possible to use one - level page tables for virtual to physical address translation?

View solution

Q. What should be the size of ROM if it is used to store the table for multiplication of two 8 - bit unsigned integers?

View solution

Q.  What will happen when we format a floppy disk?

View solution

Q. The capacity of a memory unit = (the number of words) * (the number of bits / words). What will be the number of separate address and data lines needed for a memory of 4k * 16 ?

View solution

Q. What works on the principle of locality?

View solution

Q. The memory allocation scheme subject to “external” fragmentation is

View solution

Q. The different types of tables maintained by the operating system are .............

View solution

Q. Which of the following information not included in memory table ?

View solution

Q. ................. is the time required to move the disk arm to the required track.

View solution

Q. …………. Involves treating main memory as a resource to be allocated to and shared among a number of active processes.

View solution

Q. The …………….. policy segments the disks request queue into sub queues of the length N.

View solution

Q. Memory management is

View solution

Q. Block or Buffer caches are used

View solution

Q. CPU fetches the instruction from memory according to the value of

View solution

Q. A memory buffer used to accommodate a speed differential is called

View solution

Q. Which one of the following is the address generated by CPU?

View solution