Why is a FIFO page-replacement strategy impractical for most systems?
a) It replaces the page that has been in main memory the shortest amount of time.
b) It could lead to a decreased page-fault rate.
c) It could accidentally replace a heavily used page, such as one belonging to a text editor shared by several users.
d) The strategy’s implementation incurs substantial overhead.
c) It could accidentally replace a heavily used page, such as one belonging to a text editor shared by several users.
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What will be the results after the following code is executed?
``` int[] x = { 55, 33, 88, 22, 99, 11, 44, 66, 77 }; int a = 10; if(x[2] > x[5]) a = 5; else a = 8; ``` a. a = 5 b. a = 8 c. a = 10 d. a = 13
An abstract method cannot be modified by:
a. public b. protected c. private d. none of the above
Describe three types of slowly changing dimension (SCDs) and discuss the best SCD Type to track changes over time to a member’s home address.
What will be an ideal response?
What type of unit is formed by two or more wireless nodes communicating in ad hoc mode?
A. Basic Service Set (BSS) B. Basic Service Set Identifier (BSSID) C. Independent Basic Service Set (IBSS) D. Extended Service Set (ESS)