NCO- Cyber Olympiad (SOF) Class 12: Questions 286 - 290 of 518
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Question 286
Question MCQ▾
Which of the following data integrity constraint ensure that a relational database can be related by common columns in a table?
Choices
Choice (4) | Response | |
---|---|---|
a. | User-defined | |
b. | Referential | |
c. | Entity | |
d. | Entry |
Question 287
Question MCQ▾
________ Is a Technology that Divides a Radio Frequency into Time Slots and then Allocates to Multiple Calls.
Choices
Choice (4) | Response | |
---|---|---|
a. | TDMA | |
b. | WLL | |
c. | CDMA | |
d. | GSM |
Question 288
Question MCQ▾
Identify the following.
- It is the network of physical objects embedded with electronic, software and sensors that involves machine-to-machine communication (M2M) without any human interaction.
- Its examples are heart monitoring implants and automobiles with built-in sensors.
Choices
Choice (4) | Response | |
---|---|---|
a. | Internet Harvesting | |
b. | Internet of Things | |
c. | Information of Objects | |
d. | Cloud Computing |
Question 289
Question MCQ▾
is the ________ law in Boolean Algebra.
Choices
Choice (4) | Response | |
---|---|---|
a. | Commutative | |
b. | Associative | |
c. | Distributive | |
d. | Absorption |
Question 290
Question MCQ▾
Identify the database model shown in the given image.
Choices
Choice (4) | Response | |
---|---|---|
a. | Hierarchical model | |
b. | Network model | |
c. | Class model | |
d. | Relational model |