Q.1.
How many bits make one byte?

The binary number system in computers uses only two numbers, 0 and 1. Each digit is called a bit in this system, and 8 bits make one byte.

Q.2.
Assembly language is converted in machine language by which program?

Assembly language is converted into machine language by an assembler. The instruction from the computer serves as input for the assembler, which converts it into bits for the processor to perform the necessary function.

Q.3.
Name the main extension used in new excel files from 2007 onwards?

Microsoft developed the spreadsheet named Excel. Its first release was in 1987. Since then, many versions of Excel have been released, with the major one being Excel 2007. It uses the file extension .xlsx.

Q.4.
What is called the brain of the computer?

A basic computer system consists of providing input to the computer, processing, and then publishing the output. The CPU handles the processing part and is called the brain of the computer.

Q.5.
The symbol @ was chosen to be used in the email address in which year?

The symbol @ was chosen to be used in 1971 by Ray Tomlinson. He used this symbol to separate the name of the user’s machine and the user itself.

Q.6.
Who was the first computer programmer?

Ada Lovelace made the world’s first programming language in 1843. She had assisted Charles Babbage in designing the mechanical computer.

Q.7.
Which number system is used by computers to perform data operations?

Computers use a binary number system to perform data operations. It uses only two numbers, 0 and 1. Each digit is called a bit in this system.

Q.8.
What language does the computer understand?

The computer understands just one language, which is called machine language. All information is converted into this language for the computer to process and give the output.

Q.9.
Which company designed the first computer language?

IBM launched the first computer language in 1957. It was called FORTRAN, an abbreviation for Formula Translation. This language is still in use in high-performance computing and supercomputers.

Q.10.
The first CPU was designed by which company?

The world’s first microprocessor was made with cutting-edge silicon-gate technology. It was released in 1971 by Intel and was called Intel 4004.