1
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.66

Let S be the following schedule of operations of three transactions T1, T2 and T3 in a relational database system:

R2(Y), R1(X), R3(Z), R1(Y), W1(X), R2(Z), W2(Y), R3(X), W3(Z)

Consider the statements P and Q below:

P: S is conflict-serializable.

Q: If T3 commits before T1 finishes, then S is recoverable.

Which one of the following choices is correct?

A
P is true and Q is false.
B
Both P and Q are true.
C
P is false and Q is true.
D
Both P and Q are false.
2
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Which one of the following circuits implements the Boolean function given below?

f(x, y, z) = m0 + m1 + m3 + m4 + m5 + m6, where mi is the ith minterm.

A
GATE CSE 2021 Set 2 Digital Logic - Combinational Circuits Question 4 English Option 1
B
GATE CSE 2021 Set 2 Digital Logic - Combinational Circuits Question 4 English Option 2
C
GATE CSE 2021 Set 2 Digital Logic - Combinational Circuits Question 4 English Option 3
D
GATE CSE 2021 Set 2 Digital Logic - Combinational Circuits Question 4 English Option 4
3
GATE CSE 2021 Set 2
Numerical
+1
-0
If x and y are two decimal digits and (0.1101)2 = (0.8xy5)10, the decimal value of x + y is ______
Your input ____
4
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+1
-0.33

The format of the single-precision floating-point representation of a real number as per the IEEE 754 standard is as follows:

sign

exponent

mantissa


Which one of the following choices is correct with respect to the smallest normalized positive number represented using the standard?
A
exponent = 00000000 and mantissa = 00000000000000000000001
B
exponent = 00000001 and mantissa = 00000000000000000000000
C
exponent = 00000001 and mantissa = 00000000000000000000001
D
​exponent = 00000001 and mantissa = 000000000000000000000001
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12