Test: Introduction of Computers - 2 - Class 1 MCQ

Computer is known as a smart machine, because _______.
There are several reasons why a computer is known as a smart machine. These include:
1. It does not make mistakes on its own:
- Computers are programmed to follow instructions accurately, which means they can perform tasks without making errors.
- They do not get distracted or tired like humans, so they can consistently produce accurate results.
2. It never gets tired:
- Unlike humans, computers do not experience fatigue or physical limitations.
- They can work continuously for long periods of time without a decrease in performance.
3. It works very fast:
- Computers are capable of processing and executing instructions at incredibly high speeds.
- They can perform complex calculations, data analysis, and other tasks much faster than humans.
4. It has the ability to learn and adapt:
- With the advancement of artificial intelligence and machine learning, computers now have the ability to learn from data and improve their performance over time.
- They can analyze patterns, make predictions, and adapt their behavior based on the information they receive.
5. It can perform multiple tasks simultaneously:
- Computers have the ability to multitask, meaning they can handle multiple operations or processes at the same time.
- This enables them to handle complex tasks efficiently and effectively.
In conclusion, a computer is known as a smart machine because it does not make mistakes on its own, never gets tired, works very fast, has the ability to learn and adapt, and can perform multiple tasks simultaneously.

Tasks that a computer can do for you:

• Play music: Computers can play music files and provide a variety of options for managing and listening to music.

Tasks that a computer cannot do for you:

• Drink water: Computers are electronic devices and do not possess physical capabilities to consume water.


• Eat food: Similarly, computers cannot eat or consume food as they lack the biological functions required for digestion.

Conclusion:

Out of the given options, the correct answer is option C: Play music. Computers are capable of playing music files and providing various functionalities related to music playback. However, they cannot perform tasks such as drinking water or eating food as these require physical and biological capabilities that computers do not possess.

Which of the following runs on electricity?

Let's analyze each option to determine which one runs on electricity:

Option A:
- It is an image of a bicycle.
- Bicycles do not run on electricity.
Option B:
- It is an image of a car.
- Cars can run on either electricity or gasoline, depending on the type of car.
- We cannot determine from the image alone if this specific car runs on electricity.
Option C:
- It is an image of a wind turbine.
- Wind turbines generate electricity, but they do not run on electricity.
Option D:
- It is an image of an electric train.
- Electric trains are powered by electricity and run on electric motors.

Therefore, the correct answer is option D, the electric train, as it runs on electricity.

The correct answer is D: All of these.
Explanation:
- All three types of computers shown in the options can be used to play games.
- Let's look at each option individually to understand why they can be used for gaming:
- Option A: This is a gaming laptop. It is specifically designed to handle demanding games and has powerful hardware components like a dedicated graphics card, fast processor, and ample RAM.
- Option B: This is a gaming console. Gaming consoles like PlayStation and Xbox are dedicated gaming devices that come with their own hardware and software optimized for gaming.
- Option C: This is a gaming desktop. Similar to the gaming laptop, it has high-performance hardware components and can handle demanding games.
- So, whether it's a gaming laptop, gaming console, or gaming desktop, all of these types of computers are specifically designed and equipped to provide an optimal gaming experience.
- Therefore, the correct answer is D: All of these.

correct answer is B.

Picture marked as '1' is of microwave. Picture marked as '2' is of mobile phone and Picture marked as '3' is of fan. All are man-made and electronic machines.

By arranging the jumbled word in correct manner, you will get the word: COMPUTER.

Name of the pictures from left to right are as follows:

By using the first letter of these words,TABLET word is formed.

Devices for Anu's tasks

• Watch movies: Anu can use device B, which appears to be a tablet with a large screen suitable for watching movies.


• Play songs: Anu can use device C, which looks like a smartphone or music player that can play songs.


• Play games: Anu can use device A, which seems to be a gaming console or a computer capable of running games.


• All of these: Anu can use all the devices mentioned (A, B, and C) to watch movies, play songs, and play games, as they serve different purposes.