NTA Certification Questions and
Answers Graded A+
What is the primary function of a CPU in a computer system?
The CPU, or Central Processing Unit, is responsible for executing instructions from
programs, performing calculations, and managing data processing tasks.
What does RAM stand for...
NTA Certification Questions and
Answers Graded A+
What is the primary function of a CPU in a computer system?
✔✔The CPU, or Central Processing Unit, is responsible for executing instructions from
programs, performing calculations, and managing data processing tasks.
What does RAM stand for, and what is its purpose?
✔✔RAM stands for Random Access Memory. It temporarily stores data that is actively being
used or processed by the CPU, allowing for quick access and improved system performance.
What is the difference between SSD and HDD storage devices?
✔✔SSD, or Solid State Drive, uses flash memory to store data, offering faster access speeds and
better durability than HDD, or Hard Disk Drive, which uses spinning magnetic disks to read and
write data.
What does the term 'booting' refer to in computing?
✔✔Booting is the process of starting up a computer and loading the operating system from a
powered-off state or restarting it from a shut-down state.
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, Explain the role of an operating system in a computer.
✔✔An operating system manages hardware resources, provides a user interface, and facilitates
the execution of applications by managing tasks such as file handling, memory allocation, and
device control.
What is a network protocol, and why is it important?
✔✔A network protocol is a set of rules that governs data communication between devices on a
network. It ensures proper data exchange, error handling, and compatibility between different
systems.
Describe the concept of cloud computing.
✔✔Cloud computing provides on-demand access to computing resources, such as servers,
storage, and applications, over the internet, allowing for scalability, flexibility, and cost-
efficiency without the need for physical infrastructure.
What is encryption, and how does it enhance data security?
✔✔Encryption is the process of converting data into a coded format to prevent unauthorized
access. It enhances data security by ensuring that only individuals with the correct decryption
key can access the original information.
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