Shared Flashcard Set

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Comptia A+ 801
New Horizons Flash Cards 801
55
Computer Science
Professional
06/25/2013

Additional Computer Science Flashcards

 


 

Cards

Term

Which motherboard form factor has Random Access

Memory (RAM) expansion slots located at 90 degree

angles to the Industry Standard Architecture (ISA)

and Peripheral Component Interconnect (PCI)

expansion slots?

Definition
Advanced Technology Extended (ATX) motherboards
Term

Which port type operates at 12 Mbps and is used to

connect multiple devices to a computer?

 

Definition

Universal Serial Bus (USB) 1.1

Term

Which component converts AC current to the DC

voltage that a computer uses to operate?

Definition
power supply
Term

What are the five IEEE 1284 data transfer modes

used for parallel ports?

Definition

compatibility mode, nibble mode, byte mode, Enhanced Parallel Port (EPP), and Enhanced Capabilities Port (ECP)

Term

What should you do to determine the master and slave drives in a computer that has two drives installed on a primary IDE controller?

Definition
Check the jumper settings.
Term

What are the maximum data transmission speeds for the IEEE 1394 standards?

Definition

1394a - 400 Mbps

1394b - 800 Mbps

Term

Which Interrupt Request (IRQ) is reserved for primary IDE controller?

Definition
IRQ 14
Term

Which Interrupt Request (IRQ) is reserved for secondary IDE controller?

Definition
IRQ 15
Term

What are the two commonly used central processing unit (CPU) cooling methods?

Definition
fan and heatsink
Term

What two types of memory are dual ported?

Definition
Windows RAM (WRAM) and Video RAM (VRAM)
Term

Where should you place the terminators on a computer that has one internal SCSI device, one external SCSI device, and one SCSI adapter?

Definition

Place a terminator on the internal SCSI device and a

 

terminator on the external SCSI device.

 

 

Term
What should be the SCSI ID of the bootable device?
Definition
0
Term

Which keyboard function key is used to rename a file?

Definition
F2
Term

Which Interrupt Request (IRQ) is used for Small Computer System Interface (SCSI) controllers?

Definition
IRQ 9
Term

What should you do before installing Small Computer System Interface (SCSI) devices?

Definition
Assign a unique ID to each SCSI device.
Term

Which cable is used to connect Small Computer System Interface (SCSI) devices to a computer?

Definition
50-pin ribbon cable
Term

Which hard drive component moves across the hard disk assembly to read the disk?

Definition
head actuator
Term

Which hard drive component moves across the hard disk assembly to read the disk?

Definition
head actuator
Term

How are memory slots and expansion slots situated on an Advanced Technology Extended (ATX) motherboard?

Definition
At a right angle to each other
Term

Which component on a motherboard supports slower devices, such as Universal Serial Bus (USB) ports, IDE drives, and ISA slots?

Definition
South Bridge
Term

Which hardware component may be installed using the Pin Grid Array (PGA) architecture in a motherboard?

Definition
the central processing unit (CPU)
Term

Which two wires from an AT power supply should be adjacent to each other on a motherboard?

Definition
black wires
Term
Which processor is used with Socket 370?
Definition
Pentium III processors
Term

Where can you enable or disable the Hyper-Threading feature?

Definition
in the system Basic Input/Output System (BIOS)
Term

What are the two types of S-video connectors available?

Definition
mini-DIN 4 and mini-DIN 7 connector
Term

Which display type takes more space on a desk: a liquid crystal display (LCD) or a cathode ray tube (CRT) monitor?

Definition
CRT monitor
Term
How many pins are in a serial port DB-9 connector?
Definition
nine
Term
How many pins are in a parallel connector?
Definition
25
Term

Which type of connector is used to connect a joystick?

Definition
Game controller with 15 pins
Term

How many pins are in an AT keyboard connector, also known as a DIN 5 connector?

Definition
five
Term

What are the three ways to connect a CRT or LCD panel to a computer system?

Definition

Add-on video cards, Video-only chipset on the motherboard, and motherboard chipset with integrated video

Term

What are the basic components that are included in all video display adapters?

Definition

Video BIOS, video processor, video memory,digital-to-analog converter (DAC), bus connector, and video driver

Term

What is used by video adapters to store video images while the images are processed by the video adapter?

Definition
Video RAM
Term

Which type of removable storage media uses a solid-state memory chip that requires no power to maintain its contents?

Definition
Flash memory media
Term

Which memory technology is used by the Secure Digital (SD) card?

Definition
Flash memory technology
Term

Which flash memory device provides encrypted storage of data?

Definition
Secure Digital (SD)
Term

Which flash memory device contains a mechanical write-protection switch?

Definition
Secure Digital (SD)
Term

What is a flash memory (non-volatile) memory card format used in portable devices, including digital cameras?

Definition
Secure Digital (SD)
Term

In which unit is the amount of power output from a power supply measured?

Definition
volts
Term

What are the typical voltages output by the power supply unit in a PC?

Definition
+3.3 volts, +5.0 volts, and +12.0 volts
Term

In addition to +3.3 volts, +5.0 volts, and +12.0 volts, which voltages are found on an ATX power supply?

Definition
-12 volts and -5 volts
Term

Which PC devices use a voltage of +3.3 volts from a power supply?

Definition

Chipsets, DIMMs, PCI/AGP cards, and secondgeneration Pentium processors

Term

What is the maximum number of devices that can be daisy-chained together with a USB hub?

Definition
127
Term

How many Interrupt Requests (IRQs) does a USB bus use if multiple devices are attached to the USB bus?

Definition
One IRQ
Term

Which type of Universal Serial Bus (USB) hub should you use to avoid running out of power when connecting USB devices?

Definition
a self-powered hub
Term

What is the maximum length for a cable using USB 2.0?

Definition
5 meters
Term

Which type of socket design has a lever that allows easy installation and removal of a CPU on a motherboard?

Definition
Zero Insertion Force (ZIF)
Term

Which types of CPU sockets are used for Intel Xeon processors?

Definition
Socket 603 and Socket 604
Term

Which type of CPU socket eliminates the risk involved in installing or removing a processor by allowing you to install a CPU without requiring insertion force, and

to extract the CPU without requiring any tool?

Definition
Zero Insertion Force (ZIF) sockets
Term

Which compound should you use to improve the efficiency of a heat sink by up to 30 percent?

Definition
thermal grease
Term

Which unit of measure is typically used to measure the amount of RAM in a  computer?

Definition
megabyte (MB) or gigabyte (GB)
Term

Which RAM characteristic is expressed in

nanoseconds (ns)?

Definition
access or cycle time
Term

Which bus determines the amount of RAM that a processor can access?

Definition
address bus
Term

Which type of RAM uses capacitors that need to be refreshed?

Definition
Dynamic Random Access Memory (DRAM)
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