Y7 Computer Systems

What is an input device?

• A device that sends data to a computer

• A device that receives data from a computer

• A device that stores data

• A device that processes data

Answer explanation

An input device is defined as a device that sends data to a computer, allowing users to interact with and control the system. Examples include keyboards and mice, which facilitate data entry.

What is an output device?

• A device that sends data to a computer

• A device that receives data from a computer

• A device that stores data

• A device that processes data

Answer explanation

An output device is defined as a device that receives data from a computer, such as a monitor or printer. This distinguishes it from input devices, which send data to the computer.

What is the purpose of a computer tower?

• To store data

• To house the main components of a computer

• To display images

• To input data

Answer explanation

The purpose of a computer tower is to house the main components of a computer, such as the motherboard, CPU, and power supply, providing structure and protection for these essential parts.

What is a key feature of a good presentation on slides?

• Complex language

• Visually appealing and informative

• Long paragraphs

• Minimal images

Answer explanation

A good presentation should be visually appealing and informative, as this engages the audience and effectively communicates the message. Complex language, long paragraphs, and minimal images can detract from clarity.

What is an input device used for?

• To display data

• To enter data into a computer

• To store data

• To delete data

Answer explanation

An input device is specifically designed to enter data into a computer, allowing users to provide information for processing. This distinguishes it from output devices, which display data, and storage devices, which save data.

Which of the following is an example of an output device?

• Keyboard

• Mouse

• Printer

• Scanner

Answer explanation

A printer is an output device that produces a physical copy of digital documents, while a keyboard and mouse are input devices, and a scanner is used to input images or documents into a computer.

What does a computer do with data after it is input?

• Deletes the data

• Ignores the data

• Processes the data

• Sends the data to another computer

Answer explanation

After data is input, a computer processes the data to perform operations, calculations, or transformations, making 'Processes the data' the correct choice. The other options do not accurately describe the typical function of a computer.

Which of the following is an example of an output from an ATM?

• Check if the pin is correct

• Check how much money is selected

• Money coming out

• Enter pin

Answer explanation

The correct output from an ATM is 'Money coming out', as it represents the physical result of a transaction. The other options are actions or checks, not outputs.

What type of device is a mouse?

• Input device

• Output device

• Input & Output device

• Storage device

Answer explanation

A mouse is an input device because it allows users to interact with a computer by sending commands and controlling the cursor. It does not output information, which distinguishes it from output devices.

Which device is used to display visual output?

• Mouse

• Monitor

• Keyboard

• Scanner

Answer explanation

The monitor is the device specifically designed to display visual output from a computer. Unlike a mouse, keyboard, or scanner, which serve different functions, the monitor presents images and information visually.