Computer Technologies Quizs

What is the role of BIOS in a computer system?

• BIOS manages the computer's memory and storage devices.

• BIOS initializes and tests hardware components during the booting process and provides runtime services for operating systems and programs.

• BIOS is responsible for managing network connections and internet access.

• BIOS controls the graphical user interface of the operating system.

What are the types of external memory?

• Disk, solid state memory, optical, and tape technologies.

• RAM, ROM, Cache, and Flash memory.

• Hard drive, USB drive, SSD, and CD-ROM.

• Magnetic, electronic, optical, and volatile memory.

How do ports, keyboard, mouse, and displays operate?

• They operate as input/output devices that allow users to interact with the computer system.

• They function solely as output devices for displaying information.

• They are used exclusively for data storage and retrieval.

• They serve as power supply units for the computer.

What are some examples of current processor manufacturers?

• Intel, AMD, and ARM

• NVIDIA, Qualcomm, and Broadcom

• Apple, Samsung, and IBM

• Microsoft, Google, and Oracle

What is the purpose of Level 1, 2, and 3 cache in a computer system?

• They are used to store frequently accessed data and instructions to speed up processing.

• They are used to increase the physical size of the computer.

• They are used to cool down the CPU during operation.

• They are used to store backup data for recovery purposes.

What are the functions of a power supply unit (PSU) in a computer?

• The PSU converts electrical power from an outlet into usable power for the internal components of the computer.

• The PSU is responsible for cooling the computer's internal components.

• The PSU manages the data flow between the CPU and RAM.

• The PSU provides a backup power source during outages.

What are the basic concepts of computer networks?

• Understanding network topologies, protocols, and data transmission methods.

• The history of computer networks and their evolution.

• The hardware components used in networking devices.

• The software applications that run on networked computers.

What is the significance of RAM in a computer?

• RAM is used for permanent data storage.

• RAM is crucial for storing data temporarily that the CPU needs to access quickly while performing tasks.

• RAM is responsible for the computer's graphics processing.

• RAM is the main power supply unit of the computer.

What is the function of a network interface card (NIC) in a computer?

• To allow a computer to connect to a network, enabling communication with other devices and access to the internet.

• To increase the processing speed of the computer.

• To store data permanently on the computer.

• To manage the power supply of the computer.

What is the Fetch-Execute Cycle?

• It is the process by which a computer retrieves a program instruction from its memory, determines what actions the instruction dictates, and carries out those actions.

• It is the method by which a computer stores data in its hard drive.

• It is the sequence of steps a computer takes to shut down safely.

• It is the technique used by a computer to connect to the internet.