33) A program P reads and processes 1000 consecutive records from a sequential file F stored on device D without using any file system facilities. Given the following:
(i) Size of each record = 3200 bytes.
(ii) Access time of D = 10 m secs.
(iii) Data transfer rate of D = 800 x 103 bytes/sec
(iv) CPU time to process each record = 3 m secs.
What is the elapsed time of P if F contains unblocked records and P uses one buffer(i.e. it always reads ahead into the buffer)?
Answer is:
14 sec
Related Operating System MCQ with Answers
Answer is:
all of these
Explanation:
A file organization component of a VSAM file is
* relative record data set.
* keyed sequential data set.
* entry sequential data set.
Answer is: