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)
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)
一个文件的权限是-rw-rw-r--,这个文件所有者的权限是什么。() A: reAD-only B: reAD-write C: write
一个文件的权限是-rw-rw-r--,这个文件所有者的权限是什么。() A: reAD-only B: reAD-write C: write
ROM是哪几个单词的缩写呢? A: Read on write memory B: Repeat only write C: Read only medium D: Read only memory
ROM是哪几个单词的缩写呢? A: Read on write memory B: Repeat only write C: Read only medium D: Read only memory
_________ elderly people to read and write (D)
_________ elderly people to read and write (D)
一个文件的权限是-rw-rw-r--,这个文件所有者的权限是什么()。 A: read-only B: read-write C: write D: execute
一个文件的权限是-rw-rw-r--,这个文件所有者的权限是什么()。 A: read-only B: read-write C: write D: execute
Read the text again and write a summary for the text.
Read the text again and write a summary for the text.
If students read more, they can write better.
If students read more, they can write better.
下列读写语句不正确的有()。 A: READ(*,*)A,B,C B: READ(*,*)A,B,C+D C: WRITE(*,*)A,B,C D: WRITE(*,*)A,B,C+D
下列读写语句不正确的有()。 A: READ(*,*)A,B,C B: READ(*,*)A,B,C+D C: WRITE(*,*)A,B,C D: WRITE(*,*)A,B,C+D
Write down the words I'll read to you.
Write down the words I'll read to you.
一个文件的权限是-rw- rw- r--,这个文件所有者的权限是( )。 A: read-only B: write C: read-write D: read-write-excute
一个文件的权限是-rw- rw- r--,这个文件所有者的权限是( )。 A: read-only B: write C: read-write D: read-write-excute