Lesson 2 Practice

What is the primary function of a computer?

• To store, share, and analyze data

• To create art

• To cook food

• To build houses

Which device was used thousands of years ago to help with calculations?

• Calculator

• Abacus

• Computer

• Smartphone

In what year was the first electronic computer, COLOSSUS MARK 1, created?

• 1944

• 1945

• 1977

• 1600

What is the difference between hardware and software in a computer system?

• Hardware is the physical part, while software is the set of programs

• Hardware is the set of programs, while software is the physical part

• Both are physical parts

• Both are sets of programs

Which of the following is an example of application software?

• Operating System

• Web Browser

• CPU

• RAM

Explain why smartphones are considered computers.

• They can make phone calls

• They run programs, store information, and perform calculations

• They have a touchscreen

• They are portable

What role does the Central Processing Unit (CPU) play in a computer?

• It stores data

• It processes and executes commands

• It displays graphics

• It connects to the internet

How do input and output devices work together in a computer system?

• Input devices send information to the computer, and output devices display the results

• Input devices display results, and output devices send information to the computer

• Both input and output devices store data

• Both input and output devices process data

What is the significance of the ENIAC computer created in 1945?

• It was the first electronic computer

• It was the first programmable, general-purpose computer

• It was the first personal computer

• It was the first computer to use a mouse

Why is system software essential for application software to function?

• It provides internet access

• It ensures hardware devices work together and allows applications to run

• It creates graphics

• It stores data