NIELIT STQC 2021 Quiz-61

What is the hexadecimal representation of n = 47263.251 where n is in octal number system?

For the given recurrence equation

T(n) = 2T(n - 1), if n > 0 = 1, otherwise

Consider a schema R(A, B, C, D) and following functional dependencies.

A → B

B → C

C → D

D → B

Then decomposition of R into R₁ (A, B), R₂(B, C) and R₃(B, D) is __________ .

Consider the following process table with Arrival time and Burst time (All time in ms).

Average waiting time of these processes by using SRTF scheduling is ________ (ms). (Upto 1 decimal place)

Which of the following SQL statement is used to delete a column from a table?

The main advantage of pre-emphasis circuit in FM transmitter is

Consider the following statements regarding FM and AM

1) FM is more immune to noise than AM

2) FM requires higher bandwidth compared to AM

3) FM requires more modulating power than AM

Which of the above statements is/are not correct?