Discuss the motivations for multiprogramming.
What will be an ideal response?
I/O-bound jobs use little processor time, so multiprogramming helps get more work
through the system by using available processor capacity.Also, systems may have a wide variety
of input/output devices and a particular job may use only a subset of these, so multiprogramming
helps get more work through the system while achieving better device utilization.
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Assume that, in addition to the operations read(x) and write(x), a database has the operation copy(x,y), which (atomically) copies the value stored in record x into record y. Design a conflict table for these operations for use in an immediate-update pessimistic concurrency control.
What will be an ideal response?
Using a binary search, finding a value from a list of a million entries involves at most 20 steps.
Answer the following statement true (T) or false (F)
The RADIUS server sends an Access-Request message, including a user name and password combination or a certificate from the user, to an NPS server acting as a RADIUS client.
Answer the following statement true (T) or false (F)
Emptying the Recycle Bin frees up ____ on your computer.
A. RAM B. storage space C. room on the flash disk D. room on the desktop