1.
A monitor displays information.
Correct Answer
A. True
Explanation
A monitor is a visual display unit that is used to display information from a computer or other electronic device. It is designed to show images, text, and other visual content to the user. Therefore, the statement "A monitor displays information" is true.
2.
A SD card is an output device.
Correct Answer
B. False
Explanation
The given statement is incorrect. An SD card is not an output device but rather a type of storage device. It is commonly used to store and transfer data between devices such as cameras, smartphones, and computers. Output devices are those that display or produce information, such as monitors, printers, and speakers. Therefore, the correct answer is False.
3.
A microphone is used an input device.
Correct Answer
A. True
Explanation
A microphone is used as an input device because it converts sound waves into electrical signals that can be transmitted to a computer or other recording device. These electrical signals are then processed and used as input for various applications such as recording audio, voice recognition, or live performances.
4.
A pen drive is a storage device.
Correct Answer
A. True
Explanation
A pen drive is indeed a storage device, as it is a portable device that can be used to store and transfer data. It typically has a USB interface and can be easily connected to a computer or other devices to access and store files.
5.
Microsoft Office is a piece of software.
Correct Answer
A. True
Explanation
The statement is true because Microsoft Office is indeed a piece of software. Microsoft Office is a suite of productivity applications developed by Microsoft that includes programs like Word, Excel, PowerPoint, and Outlook. These applications are widely used for various tasks such as creating documents, spreadsheets, presentations, and managing emails. Therefore, it can be concluded that Microsoft Office is a software package designed to enhance productivity and facilitate various office-related tasks.
6.
A firewall is a type of hardware.
Correct Answer
B. False
Explanation
A firewall is not a type of hardware. It is a software or a combination of software and hardware that acts as a security barrier between a computer network and the outside world, monitoring and controlling incoming and outgoing network traffic based on predetermined security rules.
7.
The CPU is referred as the stomach of the computer.
Correct Answer
B. False
Explanation
The statement "The CPU is referred to as the stomach of the computer" is false. The CPU (Central Processing Unit) is actually the brain of the computer, not the stomach. The CPU is responsible for executing instructions, performing calculations, and managing the overall operation of the computer. The analogy of the CPU being the brain is more accurate because it controls and coordinates the various components and processes of the computer, similar to how the brain controls and coordinates the functions of the body.
8.
A computer is a piece of hardware.
Correct Answer
A. True
Explanation
A computer is considered a piece of hardware because it is a physical device that can be touched and manipulated. It consists of various components such as the central processing unit (CPU), memory, storage devices, input/output devices, and a motherboard. These components work together to process and store data, perform calculations, and execute instructions. Therefore, it can be concluded that a computer is indeed a piece of hardware.
9.
A terabyte is equal to 1 million gigabytes.
Correct Answer
B. False
Explanation
A terabyte is not equal to 1 million gigabytes. In fact, a terabyte is equal to 1,024 gigabytes. This is because computers typically use binary notation, where each unit is a power of 2. Therefore, 1 terabyte is equal to 2^40 bytes, which is approximately 1,099,511,627,776 bytes. Dividing this by the number of bytes in a gigabyte (2^30), we get approximately 1,073,741,824 gigabytes in a terabyte.
10.
CD stands for Collective Disk.
Correct Answer
B. False
Explanation
The given statement is false. CD stands for Compact Disc, not collective disk. Compact Discs are digital optical discs used for storing and playing back audio, video, and other data.
11.
Bluetooth allows your device to connect with another device.
Correct Answer
A. True
Explanation
Bluetooth is a wireless technology that enables devices to connect and communicate with each other over short distances. It allows your device, such as a smartphone or computer, to establish a connection with another device, like a wireless headset, speaker, or keyboard, without the need for cables. This wireless connection enables the transfer of data, audio, and other information between the devices, making it convenient and efficient for users to interact with various peripherals and accessories. Therefore, the statement "Bluetooth allows your device to connect with another device" is true.
12.
A processor accepts your commands for the computer.
Correct Answer
A. True
Explanation
A processor is a crucial component of a computer that executes instructions and performs calculations. It acts as the brain of the computer, accepting commands from the user and carrying out the necessary tasks. Therefore, it is correct to say that a processor accepts commands for the computer.
13.
Software that is free for trial is called shareware.
Correct Answer
A. True
Explanation
Shareware refers to software that is available for free trial or evaluation before purchasing. It allows users to try out the software and determine if it meets their needs before making a purchase. Therefore, the given statement that software that is free for trial is called shareware is correct.
14.
A scanner is an output device.
Correct Answer
B. False
Explanation
A scanner is an input device, not an output device. It is used to convert physical documents or images into digital format, which can then be stored, edited, or printed. Scanners work by capturing the information from the physical document and sending it to a computer for processing. Therefore, the given statement is incorrect.
15.
The quickest way to add and find the maximum and minimum is to highlight the row or column and press the auto sum button.
Correct Answer
A. True
Explanation
The statement is true because the auto sum button in spreadsheet software like Excel allows users to quickly add up the values in a selected row or column. Additionally, it can also find the maximum and minimum values in the selected range. This feature saves time and effort compared to manually calculating the sum or searching for the maximum and minimum values.