According to the definition of computer science proposed by Norman Gibbs and Allen Tucker, the central concept in computer science is the ____.
a. algorithm
b. machine
c. object
d. procedure
a. algorithm
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A descriptive JLabel should use .
a) sentence-style capitalization b) book-title capitalization c) a colon at the end of its text d) Both a and c.
Match each item with a statement below.
A. Stand-alone, self-contained combinations of computing hardware and software. B. Create tunnels connecting specific processes or systems on each side of the firewall and then allow only authorized traffic, such as a specific type of TCP connection for authorized users, in these tunnels. C. Examine every incoming packet header and can selectively filter packets based on header information such as destination address, source address, packet type, and other key information. D. Consists of application software that is configured for the firewall application and runs on a general-purpose computer. E. An examination of the data contained in a packet as well as the state of the connection between internal and external computers. F. Can be used to block a site's Domain Name System (DNS) name. G. Firewall packet inspection that ignores the state of the connection between the internal computer and the external computer. H. Runs special software that enables it to act as a proxy for a specific service request. I. When this architectural approach is used, the bastion host contains two NICs rather than one, as in the bastion host configuration.
Use the __________ property to align text within an element
a. align b. font-align c. text-align d. you cannot align text with CSS
To maintain optimal performance, one typical recommendation suggests that when the memory usage associated with a particular CPU-based system averages __________% or more over prolonged periods, you should consider adding more memory.
A. 40 B. 60 C. 10 D. 100