Write a SELECT statement to list courses that have the course number 20 as a prerequisite. (5 rows)
What will be an ideal response?
```
SELECT *
FROM course
WHERE prerequisite = 20
```
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If the catch-or-declare requirement for a checked exception is not satisfied ________.
a. the compiler will issue an error message indicating that the exception must be caught. b. the compiler will issue an error message indicating that the exception must be caught or declared. c. a stack trace will be displayed indicating the exception that has occurred and where it occurred. d. a stack trace will be displayed, along with a message indicating that the exception must be caught.
Along with the processor, ____ capacity is the other most important factor in determining and comparing the power of the computer system.
A. ROM B. RAM C. CPU D. FSB
When determining outsourcing fees, a _____ has a variable fee based on the number of users or workstations that have access to the application.?
A. ?fixed fee model B. ?usage model C. ?subscription model D. ?transaction model
Identify the letter of the choice that best matches the phrase or definition.
A. A wireless transmission medium that distributes radio signals through the air over long distances B. A form of broadcast radio that is used widely for mobile communications C. Expected to provide artificial intelligence capabilities on wearable devices D. Examples of standards in this category include EDGE and UMTS E. Category of cellular transmission that transmits digital data at speeds up to 100 Mbps F. Type of lines that can be either analog or digital G. Protocol that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person H. Consists of a single copper wire surrounded by at least three layers I. Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel J. Kind of cable designed to reduce noise K. This kind of device contains a small chip that allows it to communicate with other similar devices L. A network standard that specifies how two devices use short-range radio waves to communicate at high speeds with each other M. The core of this kind of cable consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals. N. Kind of network that is sometimes called a file sharing network O. Contactless payment uses this technology.