CompTIA A+ Certification Flashcards

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Questions and Answers

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?

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?

5 GHz

What is the maximum speed of the 802.11b wireless network standard?

10 Mbps Signup and view all the answers

What is the maximum speed of the 802.11g wireless network standard?

54 Mbps Signup and view all the answers

What is the maximum speed of the 802.11n wireless network standard?

600 Mbps Signup and view all the answers

What does 8-bit high color refer to in VGA mode?

Can display up to 256 different colors at a time Signup and view all the answers

What is an AC adapter?

A type of power supply that converts AC power to required voltages Signup and view all the answers

What is the purpose of an accelerated graphics port?

Provides a direct link between the processor and the video card Signup and view all the answers

What does access control manage?

Access to resources Signup and view all the answers

What is an access control entry?

A record in an access control list containing user or group permissions Signup and view all the answers

What is an access control list?

A table containing access control entries for files and folders Signup and view all the answers

What is an accessory bay in a laptop?

A compartment that holds a single media device Signup and view all the answers

What does the ACT status light on a NIC indicate?

Data is being transmitted Signup and view all the answers

What is the purpose of activation for software?

To combat software piracy Signup and view all the answers

What is active communication?

Behaviors that show engagement in a conversation Signup and view all the answers

What is active listening?

A set of skills used when listening to another person Signup and view all the answers

What technology is an active matrix display based on?

Thin-film transistor (TFT) technology Signup and view all the answers

What is an active partition in a computer system?

A primary partition marked for use during startup Signup and view all the answers

What are appropriate responses in a conversation called?

Active speaking Signup and view all the answers

What is ad hoc mode in a Wi-Fi network?

A networking mode allowing peer-to-peer communications without a central hub Signup and view all the answers

What is an adapter card?

A printed circuit card added to the motherboard to enhance functionality Signup and view all the answers

What does an address bus do in a computer?

Identifies addresses in main system memory Signup and view all the answers

What protocol is used to resolve an IP address to a MAC address?

Address Resolution Protocol Signup and view all the answers

What is the Advanced Communications Riser standard?

A riser card standard introduced to supersede AMR Signup and view all the answers

What is the purpose of the Advanced Configuration and Power Interface?

To manage power and configuration settings for devices Signup and view all the answers

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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Description

Test your knowledge with these CompTIA A+ certification flashcards. Each card presents key terminology related to computer systems, including definitions for both 32-bit and 64-bit operating systems, as well as wireless standards like 802.11a. Perfect for study sessions or quick reviews!