The typical range of human hearing is:
a. 0 to 4,000 Hz
b. 0 to 1,200 Hz
c. 20 to 14,000 Hz
d. 0 to 300 Hz
e. 0 to 56,000 Hz
Answer: c. 20 to 14,000 Hz
You might also like to view...
The ________ is the area below the Ribbon that displays information such as security alerts
Fill in the blank(s) with correct word
Mobile wireless Internet access is the type of direct connection most commonly used with smartphones and tablets to keep them connected to the Internet via a mobile phone network, even as they are carried from place to place.
Answer the following statement true (T) or false (F)
WhichOS feature enables an application to request services from the operating system, such as a request to print or save a file?
a.Application programming interface b.Device driver c.Graphical user interface d.Plug and Play
You are given the following tables:
Student(StudId, Name, Addr, Status) Transcript(Id, CrsCode, Semester, Grade)(a) Write a SELECT statement that outputs the names of all students who took CSE305 in the spring of 2000. (b) A naive query execution plan for your answer to (8a) would rst execute the FROM clause, then apply the WHERE condition to the result, and then eliminate unwanted columns using the attributes named in the SELECT clause. Express this plan as a relational algebra expression. (c) We're interested in a more ecient execution plan for this query than your answer to (8b). Such a plan uses a join operation on relations which are as small as possible (some rows of the tables to be joined have been eliminated and the remaining rows have been shortened). Give a relational algebra expression equivalent to your answer to (8b) that can be evaluated more eciently. The amount of credit you get depends on how ecient the expression is.