MCQS

Computer Science

The correct answer for this question is 'nonvolatile' because hard disk drives retain data even when the power is turned off. This is a key characteristic of nonvolatile storage, as opposed to volatile storage which loses data when power is removed. Therefore, hard disk drives are classified as nonvolatile storage due to their ability to preserve data without the need for continuous power.

The correct answer for this question is 'Python' because Python is widely used in the field of Artificial Intelligence due to its simplicity, readability, and vast libraries specifically designed for AI tasks. Many popular AI frameworks and libraries such as TensorFlow, PyTorch, and scikit-learn are written in Python, making it the common language for AI development. Its flexibility and ease of use make Python the preferred choice for AI projects among developers and researchers.

The correct answer for this question is 'C. CPU' because the CPU, or Central Processing Unit, is the primary component responsible for carrying out instructions and performing calculations in a computer system. It acts as the brain of the computer by processing data and executing tasks, making it a crucial component for the overall functioning of the system.

The correct answer for this question is 'Concurrency' because multithreading allows multiple threads to run concurrently within the same process. Concurrency refers to the ability of a system to handle multiple tasks at the same time, which is exactly what multithreading enables by allowing different parts of a program to run simultaneously. Therefore, 'Concurrency' is the most fitting term to describe the concept of multithreading.

The correct answer for this question is 'DICOM' because it is the standard format specifically designed for storing and transferring medical images in Picture Archiving and Communication Systems (PACS). DICOM ensures interoperability between different imaging devices and healthcare systems, allowing for seamless sharing and access to medical images across healthcare facilities. Therefore, DICOM is the universal format used in PACS for efficient and standardized image management.

The correct answer for this question is 'Function' because F1 through F12 keys on a keyboard are commonly referred to as function keys. These keys are designed to perform specific functions in various programs and applications, making 'Function' the most appropriate term to describe them.

The correct answer for this question is 'layer 3' because routers operate at the network layer of the OSI model. This layer is responsible for routing and forwarding data packets between different networks, making it the layer where routers function. Therefore, layer 3 is the correct choice when identifying the OSI layer used by routers.

The correct answer for this question is 'Off-line device' because an off-line device is not connected to the CPU, meaning it operates independently from the central processing unit. This distinguishes it from online devices, which are connected and communicate with the CPU in real-time. Therefore, an off-line device fits the description of a device that is not connected to the CPU.

The correct answer for this question is 'Qwerty arrangement' because it refers to the specific layout of keys on a standard keyboard, with the first six letters in the top row spelling out 'Q-W-E-R-T-Y'. This arrangement is the most commonly used and recognized layout for keyboards worldwide. Therefore, 'Qwerty arrangement' is the correct term for describing the key placement on a keyboard.

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