Q1) (4 Marks) Given the Memory data =11010010 1) Find the 4 check bits 2) Combine the Chick bits and the memory data to form K. 3) After ending K, find the syndrome word in case the received K= a) 110110010010 Q2) (3Marks) A hard disk with the following specifications 30 platters.; 2 heads/ platter; 250 track/ surface; 512 block /track; and 2 KB Block size Specify the following 1- Total No. of surfaces 2- No. of cylinders /HD 3- No. of tracks / Cylinder 4- Surface size 5- Platter size 6- Hard Disk size Q3) (3 Marks) A- Assume that the file of size 1KB (1024 Byte). Number of bytes /Track = 2k(2048 byte), Average seek 4 ms, average rotation speed R= 2 ms 1- Find transfer ration 2- Find the total transfer time B- If a head is positioned on sector 4, track 10. a Request is sent to read from Sector 4 track 12 1- what is the needed Seek time 2- Access time includes rotation time or no