Oracle Associate Consultant Interview Questions and Answers for Freshers

Microcontroller is a self-contained system with memory, peripherals and processor, while microprocessor only has a processor.

• Microcontroller has on-chip memory and peripherals, while microprocessor requires external memory and peripherals.

• Microcontroller is used in embedded systems, while microprocessor is used in general-purpose computing.

• Examples of microcontrollers include Arduino, PIC, and AVR, while examples of microprocessors include Intel Pentium, AMD Ryzen, and ARM Co...read more

Yes, an array can have elements of different data types.

• An array can have elements of different data types, but it's not recommended.

• It can make the code harder to read and maintain.

• For example, an array can have both strings and numbers: ['apple', 5, 'banana']

A linked list is a linear data structure where each element is a separate object linked together by pointers.

• Linked list is used to implement stacks, queues, and hash tables.

• It is used in computer memory allocation.

• It is used in image processing to represent pixels.

• It is used in music player to create a playlist.

• It is used in web browsers to store the history of visited web pages.

Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.

• Data structures can be linear or non-linear

• Examples of linear data structures include arrays, linked lists, and stacks

• Examples of non-linear data structures include trees and graphs

• Choosing the right data structure is important for optimizing performance and memory usage

Transactions in a bank involve the movement of funds between accounts or the exchange of currency.

• Transactions can be initiated by customers or by the bank itself

• Common types of transactions include deposits, withdrawals, transfers, and loans

• Transactions are recorded in the bank's ledger and may be subject to fees or interest

• Electronic transactions have become increasingly popular, such as online banking and mobile payments