Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram?
A
Rectangles with double/bold border
B
Diamonds with double/bold border
C
Ovals that contain underlined identifiers
D
Ovals with double/bold border
2
GATE CSE 2020
MCQ (Single Correct Answer)
+2
-0.67
Consider three registers R1, R2 and R3 that store numbers in IEEE-754 single precision floating point format. Assume that R1 and R2 contain the values (in hexadecimal notation) 0x42200000 and 0xC1200000, respectively.
If R3 = $${{R1} \over {R2}}$$, what is the value stored in R3?
A
0x40800000
B
0x40800000
C
0xC8500000
D
0xC0800000
3
GATE CSE 2020
MCQ (Single Correct Answer)
+2
-0.67
Consider the Boolean function z(a,b,c).
Which one of the following minterm lists represents the circuit given above?
A
z = $$\sum {\left( {0,1,3,7} \right)} $$
B
z = $$\sum {\left( {1,4,5,6,7} \right)} $$
C
z = $$\sum {\left( {2,4,5,6,7} \right)} $$
D
z = $$\sum {\left( {2,3,5} \right)} $$
4
GATE CSE 2020
Numerical
+1
-0
A multiplexer is placed between a group of 32 registers and an accumulator to regulate data movement such that at any given point in time the content of only one register will move to the accumulator. The minimum number of select lines needed for the multiplexer is _____.
