The first Apple Operating System was released in ________
A) 1984 B) 1978 C) 1982 D) 1969
B
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I have an algorithm that runs in O(n2)time, where n is the size of the problem. What does “the size of the problem” mean?
A. The size of the problem is the number of bytes the data occupies B. The size of the problem is the number of lines in the source code of the program. C. The size of a problem is the number of data items that the algorithm operates upon D. The size of the problem is the depth of nesting of loops in the program.
Thread Signal Delivery, discusses how Solaris 7 employed a thread called the Asynchronous Lightweight Process (ASLWP) to monitor and deliver pending asynchronous signals. How can this solution be simplified if the operating system represents threads using one-to-one thread mappings?
What will be an ideal response?
What is DHCP snooping?
a. a feature that can be disabled to specify the trusted DHCP source; the switch will block the DHCP server messages from the untrusted sources b. a feature that can be enabled to specify the trusted DNS source; the switch will then block the DHCP server messages from the untrusted sources c. a feature that can be enabled to specify the un-trusted DHCP source; the switch will pass the DHCP server messages to the untrusted sources d. a feature that can be enabled to specify the trusted DHCP source; the switch will block the DHCP server messages from the untrusted sources
The command set one last assigns
a: one to $1 and last to $2 b: one to $0 and last to $9 c: one to $one and last to $last d: one last to $1 e: none of the above