Computer Olympiad Quiz For Grade 4

Explanation
The monitor is used to display files and software stored on the computer. It is the output device that allows users to visually interact with the computer by showing the graphical user interface, icons, folders, and software applications. The monitor provides a visual representation of the data and allows users to view and access their files and software easily.

Explanation
Charles Babbage is known as the father of computers because he was a British mathematician and inventor who conceptualized and designed the first mechanical computer, known as the Analytical Engine. Although the Analytical Engine was never fully built during his lifetime, Babbage's ideas and designs laid the foundation for modern computers. His work on the Analytical Engine included the use of punched cards for input and output, the ability to perform calculations and store data, and the concept of a stored program. Babbage's contributions to the field of computing make him widely recognized as the father of computers.

Explanation
The CPU, or Central Processing Unit, is often referred to as the brain of a computer. It is responsible for executing instructions, performing calculations, and managing the flow of data within a computer system. The CPU acts as the primary component that carries out the majority of the computer's processing tasks, making it a fitting analogy to the brain's role in the human body.

Explanation
The given statement suggests that the printer was used in older generations of computers, indicating that printers have been in use for a long time. Therefore, the correct answer is true.