Details about a file that describe or identify it, including the title, author name, subject, and keywords that identify the document's topic or contents

What message will be displayed by the following statement:

MessageBox.Show("This is a test", "Test") (A) This is a test. (B) Nothing. (C) Test (D) This is a test. Test

____ is synchronized with the clock speed for which the processor is optimized.

A. DRAM B. SDRAM C. DDR2 D. DDR