The necessary conditions needed before deadlock can occur?
Options: Â No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
B. Â Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
C. Â Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
D. Â Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Ans:– C ,
The three key elements for a graphics workstation include the host processor, display controller, and:
Before any changes to database structure are attempted one should first:
Options: clearly understand the current structure and contents of the database only., test any changes on a test database only., create a complete backup of the operational database only., All of the above should be done.
You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?
Options: transmission of signals without modulation, a signal all of whose energy is contained within a finite frequency range, simultaneous transmission of data to a number of stations, All of the above
The memory address of fifth element of an array can be calculated by the formula
Options: a. LOC(Array=Base(Array)+w(5-lower bound), where w is the number of words per memory cell for the array
b. LOC(Array)=Base(Array)+(5-lower bound), where w is the number of words per memory cell for the array
c. LOC(Array)=Base(Array)+(5-Upper bound), where w is the number of words per memory cell for the array
d. None of above