State which of the following schedules are serializable.
a. r1(x) r2(y) r1(z ) r3(z ) r2(x) r1(y)
b. r1(x) w2(y) r1(z ) r3(z ) w2(x) r1(y)
c. r1(x) w2(y) r1(z ) r3(z ) w1(x) r2(y)
d. r1(x) r2(y) r1(z ) r3(z ) w1(x) w2(y)
e. w1(x) r2(y) r1(z ) r3(z ) r1(x) w2(y)
a. Yes. all transactions just read.
b. No. Transaction T1 is before Transaction T2 on x and after Transaction T2 on y.
c. Yes. Transaction T1 and Transaction T2 write and read different variables.
d. Yes. Transaction T1 and Transaction T2 write and read different variables.
e. Yes. Transaction T1 and Transaction T2 write and read different variables.
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What output will be displayed as a result of executing the following code?
int x = 5, y = 20; x += 32; y /= 4; System.out.println("x = " + x + ", y = " + y); a. x = 160, y = 80 b. x = 32, y = 4 c. x = 37, y = 5 d. x = 9, y = 52
A VMM is commonly known today as a ________ .
Fill in the blank(s) with the appropriate word(s).
The Asia-Pacific region has overtaken North America as the region with the largest B2C sales and now accounts for over one-third of total worldwide B2C sales.
Answer the following statement true (T) or false (F)
Each time the ENTER key is pressed, any custom tab stops are carried forward to the next paragraph.
Answer the following statement true (T) or false (F)