What does this hollow note mean on the guitar?

2.the bottom number of a time signature tells a. what kind of note equals one beat. b. how many beats are in the measure. c. how many measures are in the song. d. the tempo of the song 3. in the time signature 24, the is equal to one beat. a. half noted b. quarter note c. eighth note d. dotted half note 4. in compound meters, the beat is evenly divided . a. three b. five c. four d. two 5. in cut time a(n) equal to one beat. a. quarter note b. eighth note c. dotted quarter note d. half note 6. which of the following is not a dynamic marking? a. mezzo forte b. diminuendo c. alla breve d. pianissimo 7. are rhythmically equivalent to a half note. a. quarter b. whole c. sixteenth d. eighth 8. are rhythmically equivalent to a dotted quarter note. a. sixteenth b. quarter c. half d. eighth 9. to the degree of complexity of one or more musical parts that occur simultaneously. a. meter b. texture c. improvisation d. dynamics 10. which of the following pairs are not synonyms? a. alla breve, cut time b. meter, time signature c. note, pitch d. crescendo diminuendo

What consists of electronic components that store instructions ready to be executed and the data needed by those instructions

Women did not create visual arts until the mid-19th century