What is computer?

The unit used to measure memory size is typically the byte (B). However, larger units like kilobyte (KB), megabyte (MB), gigabyte (GB), terabyte (TB), petabyte (PB), exabyte (EB), zettabyte (ZB), and yottabyte (YB) are also commonly used to represent larger memory sizes.

One kilobyte (KB) is equal to 1,024 bytes, one megabyte (MB) is equal to 1,024 kilobytes, one gigabyte (GB) is equal to 1,024 megabytes, one terabyte (TB) is equal to 1,024 gigabytes, one petabyte (PB) is equal to 1,024 terabytes, one exabyte (EB) is equal to 1,024 petabytes, one zettabyte (ZB) is equal to 1,024 exabytes, and one yottabyte (YB) is equal to 1,024 zettabytes.

An assembler is a software that translates assembly language into machine language.

An assembler is a type of computer program that interprets software programs written in assembly language into machine language, code, and instructions that can be executed by a computer.

An assembler enables software and application developers to access, operate and manage a computer's hardware architecture and components.

An assembler is sometimes referred to as the compiler of assembly language. It also provides the services of an interpreter.

Another definition:

An assembler primarily serves as the bridge between symbolically coded instructions written in assembly language and the computer processor, memory and other computational components. An assembler works by assembling and converting the source code of assembly language into object code or an object file that constitutes a stream of zeros and ones of machine code, which are directly executable by the processor.

Assemblers are classified based on the number of times it takes them to read the source code before translating it; there are both single-pass and multi-pass assemblers. Moreover, some high-end assemblers provide enhanced functionality by enabling the use of control statements, data abstraction services and providing support for object-oriented programming structures.

The high-level languages are English-like and easy to learn and program.

A high-level language is any programming language that enables development of a program in a much more user-friendly programming context and is generally independent of the computer's hardware architecture.

A high-level language has a higher level of abstraction from the computer, and focuses more on the programming logic rather than the underlying hardware components such as memory addressing and register utilization.