下述各图给出的4个并发调度中，不是冲突可串行的是______。(1) T1 T2 Read (A)Write (B) Read (A)Write (A) (2) T1 T3 Read (A)Write (B) Read (B)Write (A) (3) T4 T5 Read (A)Write (B) Read (A)Write (B) (4) T1 T4 Read (A)Write (B) Read (A)Write (B)
A: (1)
B: (2)
C: (3)
D: (4)
A: (1)
B: (2)
C: (3)
D: (4)
D
举一反三
- Watch the video. Read the statements. Write T (true) or F (false).
- You can’t read most efficiently if you don’t “write between the lines”.
- Watch the video. Read the statements. Write T (true) or F (false).( ) Agnes doesn’t have a computer.
- Read the statements. Write T (true) or F (false) Hector's mother is from Mexico.（ ）
- Watch the video. Read the statements. Write T (true) or F (false).（）Dan is pretty tall.
内容
- 0
Watch the video. Read the statements. Write T (true) or F (false).（）Natalie lives in Portugal.
- 1
Read the statements. Write T (true) or F (false).Mr. and Mrs. Sanchez are making a family budget.
- 2
Watch the video. Read the statements. Write T (true) or F (false).Dan hates going to the gym.
- 3
Watch the video. Read the statements. Write T (true) or F (false).( ) Brad loves his guitar.
- 4
Watch the video. Read the statements. Write T (true) or F (false).（）Woo Sung speaks Chinese.