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Questions and Answers
What does 32-bit refer to in the context of Windows operating systems?
What does 32-bit refer to in the context of Windows operating systems?
- Utilizes 8 to 192 GB of address space
- Has no defined address space limit
- Utilizes more than 4 GB of address space
- Utilizes up to 4 GB of address space (correct)
What does 64-bit refer to in Windows operating systems?
What does 64-bit refer to in Windows operating systems?
- Utilizes more than 4 GB of address space (correct)
- Utilizes 32-bit address space
- Utilizes up to 4 GB of address space
- Uses 2.4 GHz band
What frequency does the 802.11a wireless network standard operate on?
What frequency does the 802.11a wireless network standard operate on?
5 GHz
What is the maximum speed of the 802.11b wireless network standard?
What is the maximum speed of the 802.11b wireless network standard?
What is the maximum speed of the 802.11g wireless network standard?
What is the maximum speed of the 802.11g wireless network standard?
What is the maximum speed of the 802.11n wireless network standard?
What is the maximum speed of the 802.11n wireless network standard?
What does 8-bit high color refer to in VGA mode?
What does 8-bit high color refer to in VGA mode?
What is an AC adapter?
What is an AC adapter?
What is the purpose of an accelerated graphics port?
What is the purpose of an accelerated graphics port?
What does access control manage?
What does access control manage?
What is an access control entry?
What is an access control entry?
What is an access control list?
What is an access control list?
What is an accessory bay in a laptop?
What is an accessory bay in a laptop?
What does the ACT status light on a NIC indicate?
What does the ACT status light on a NIC indicate?
What is the purpose of activation for software?
What is the purpose of activation for software?
What is active communication?
What is active communication?
What is active listening?
What is active listening?
What technology is an active matrix display based on?
What technology is an active matrix display based on?
What is an active partition in a computer system?
What is an active partition in a computer system?
What are appropriate responses in a conversation called?
What are appropriate responses in a conversation called?
What is ad hoc mode in a Wi-Fi network?
What is ad hoc mode in a Wi-Fi network?
What is an adapter card?
What is an adapter card?
What does an address bus do in a computer?
What does an address bus do in a computer?
What protocol is used to resolve an IP address to a MAC address?
What protocol is used to resolve an IP address to a MAC address?
What is the Advanced Communications Riser standard?
What is the Advanced Communications Riser standard?
What is the purpose of the Advanced Configuration and Power Interface?
What is the purpose of the Advanced Configuration and Power Interface?
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Study Notes
Memory Addressing
- 32-bit: Utilizes up to 4 GB of address space on Windows operating systems.
- 64-bit: Capable of addressing more than 4 GB of space; varying versions can address between 8 to 192 GB.
Wireless Standards
- 802.11a: Operates on the 5 GHz band for wireless networking.
- 802.11b: Functions on the 2.4 GHz band with speeds up to 10 Mbps.
- 802.11g: Uses the 2.4 GHz band; supports speeds of up to 54 Mbps, and is backward-compatible with 802.11b.
- 802.11n: Offers speeds up to 600 Mbps; compatible with 802.11a, b, and g.
Display Technologies
- 8-bit high color: VGA mode that can represent approximately 16 million colors but only displays 256 simultaneously.
- Active matrix display: LCD technology leveraging thin-film transistors (TFT), allowing rapid changes in display due to dedicated transistors at each pixel.
Power and Connectivity
- AC adapter: Converts AC power to required voltages for devices, commonly used for portable PCs.
- Accelerated graphics port: Local bus designed solely for video, enabling direct communication between processor and video card.
- Adapter card: Expansion card installed on the motherboard to enhance functionality (e.g., video adapters, network interface cards).
Networking
- Access control: Involves managing user access to computer and network resources through authentication and authorization.
- Access control entry: Single record in an access control list (ACL) detailing permissions for one user or group.
- Access control list: A NTFS file system component containing multiple access control entries for files and folders.
- Ad hoc mode: Wi-Fi networking mode allowing peer-to-peer communications without central wireless access points.
System Components
- Accessory bay: Laptop compartment for single media devices that can be swapped with others.
- Active partition: Primary partition designated for system use during startup; Windows can only boot from this partition.
Network Protocols
- Address Resolution Protocol (ARP): Resolves an IP address to a MAC address.
- Advanced Communications Riser (ACR): Riser card standard for accelerated audio and modem functions using one PCI slot, for networking support.
Communication Skills
- Active communication: Involves behaviors like active listening and speaking to promote engagement in conversation.
- Active listening: Skills and attitudes essential for effectively listening to others.
- Active speaking: Responses made during conversations that reflect engagement and understanding.
Miscellaneous
- Activation: A process employed by software companies to prevent piracy.
- ACT (Activity Light): NIC status indicator showing data transmission activity.
- Address bus: Collection of wires marking addresses in memory; wider buses can address more memory (e.g., 32-bit bus for 4 GB, 36-bit for 64 GB).
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