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ITF+ Certification Cram Notes

2.0 Infrastructure

2.2 Given a scenario, set up and install common peripheral devices to a laptop/PC.

Installation types

Plug-and-play vs. driver installation: Plug-and-play installation means that the peripheral device can be simply plugged into the computer's USB port and the system will automatically recognize and install the necessary drivers. Driver installation, on the other hand, requires the user to download and install the specific drivers needed for the device to function properly.

Other required steps: Depending on the device and its specifications, there may be additional steps required for installation, such as connecting to a wireless network or adjusting settings in the device's control panel.

IP-based peripherals: IP-based peripherals, such as network printers, require the user to enter the device's IP address in order to connect and install the necessary drivers.

Web-based configuration steps: Some peripheral devices may require additional configuration through a web-based interface, where the user can adjust settings and preferences for the device. These steps usually involve accessing the device's IP address through a web browser and logging into the configuration page.

2.3 Explain the purpose of common internal computing components

Motherboard/system board: It is the main circuit board in a computer that connects all the internal components, including the CPU, RAM, storage devices, and other peripherals. It provides the communication pathway and electrical connections for data transfer between different components.

Firmware/BIOS: Basic Input Output System (BIOS) is a firmware that provides the necessary instructions for booting the computer system. It initializes the hardware components and loads the operating system into the RAM.

RAM: Random Access Memory (RAM) is the volatile memory that stores data temporarily for the CPU to access quickly. It is used to hold the operating system, application programs, and data that the CPU is currently processing.

CPU: Central Processing Unit (CPU) is the brain of a computer that performs all the logical and arithmetic operations. It interprets and executes the instructions of a program stored in memory.

  • ARM: Advanced RISC Machine (ARM) is a type of CPU architecture used in mobile phones and tablets. It is known for its power efficiency and high-performance capabilities.

  • 32-bit: 32-bit CPU architecture is used in laptops, workstations, and servers. It can handle 32 bits of data in a single clock cycle.

  • 64-bit: 64-bit CPU architecture is used in modern laptops, workstations, and servers. It can handle 64 bits of data in a single clock cycle, which allows it to perform more complex operations efficiently.

Storage:

  • Hard drive: It is a traditional storage device that uses rotating magnetic disks to store data. It provides a large amount of storage capacity at a relatively low cost.

  • SSD: Solid State Drive (SSD) is a newer type of storage device that uses flash memory to store data. It is faster and more reliable than traditional hard drives.

GPU: Graphics Processing Unit (GPU) is a specialized processor that handles complex graphical calculations. It is used in gaming and other graphical applications to provide a smoother and more immersive experience.

Cooling: Cooling systems such as fans and heat sinks are used to regulate the temperature of the CPU and other internal components. Overheating can cause damage to the components and affect the performance of the system.

NIC:

  • Wired vs. wireless: Network Interface Card (NIC) is used to connect the computer to a network. It can be wired, such as Ethernet, or wireless, such as Wi-Fi. Wired NICs provide faster and more reliable network connections, while wireless NICs provide more flexibility in terms of mobility.

  • On-board vs. add-on card: NIC can be built into the motherboard as an on-board NIC, or it can be added as an expansion card. On-board NICs are more cost-effective and take up less space, while add-on NICs provide more flexibility and can be upgraded easily.


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