Victor Automation Junior Quality Engineer Interview Questions and Answers

JPA stands for Java Persistence API, a specification for object-relational mapping in Java applications.

• JPA is used to map Java objects to relational database tables.

• It provides a set of annotations to define the mapping between Java classes and database tables.

• JPA also supports querying data using the Java Persistence Query Language (JPQL).

A bit is the smallest unit of data in computing, representing a binary value of 0 or 1.

• A bit can represent two states: off (0) or on (1).

• Bits are the building blocks of all digital data, including text, images, and sound.

• In binary code, a sequence of bits can represent numbers, letters, and commands.

• For example, the letter 'A' is represented as 01000001 in binary, which is 65 in decimal.

A bit is the smallest unit of digital information. It can have a value of either 0 or 1.

• A bit is a binary digit, represented as either 0 or 1.

• It is the basic unit of information used in computing and digital communications.

• A group of 8 bits is called a byte.

• The size of a bit is dependent on the architecture of the computer system.

C is a programming language and does not have a fixed number of bits.

• C is a high-level programming language that can be compiled to run on different architectures with varying bit sizes.

• The number of bits in C depends on the hardware architecture it is compiled for.

• For example, C code compiled for a 32-bit architecture will have 32-bit integers, while code compiled for a 64-bit architecture will have 64-bit integers.