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Chapter 1
CompTIA A+ Chapter 1 Study Guide
30
Computer Networking
Undergraduate 1
11/05/2012

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Cards

Term
´╗┐Why is all data stored in a computer in binary form?
Definition
Binary is the format that the computer "understands," not a programming language or a human
Term
What are the four primary functions of hardware?
Definition
Input, processing, output, and storage.
Term
What are the two main input devices and two main output devices?
Definition
The two main input devices are the keyboard and the mouse. The two main output devices are the monitor and the printer.
Term
What three things do electronic hardware devices need in order to function?
Definition
A method for the CPU to communicate with the device, software to instruct and control the device, and electricity to power the device.
Term
How many bits are in a byte?
Definition
Eight.
Term
What is the purpose of an expansion slot on a motherboard?
Definition
An expansion slot on a motherboard is used for an expansion card, which enables a
Term
Which component on the motherboard is used primarily for processing?
Definition
The CPU (central processing unit), also called the processor.
Term
Name the two main CPU manufacturers.
Definition
Intel and AMD.
Term
Order the following ports according to speed, placing the fastest port first: FireWire, eSATA, USB.
Definition
eSATA, FireWire, USB.
Term
What are two other names for the system bus?
Definition
Possible answers: Memory bus, host bus, front side bus, external bus.
Term
What type of output does a S/PDIF port provide?
Definition
High quality sound to an audio system.
Term
Why is an SSD hard drive more reliable under rugged conditions than an IDE hard drive?
Definition
Because the SSD drive has no moving parts.
Term
How is the best way to determine if a cable inside a computer is a data cable or a power cable?
Definition
Follow the cable from its source to its destination.
Term
List three types of ports that are often found coming directly off the motherboard to be used by external devices.
Definition
Possible answers: Serial port, parallel port, USB port, network port, FireWire or 1394
Term
What is the purpose of the S/PDIF port?
Definition
The S/PDIF port connects to an external home theater audio system, providing digital output and the best signal quality.
Term
What is the most common type of memory module?
Definition
DIMM.
Term
What is the difference between volatile and nonvolatile memory?
Definition
Volatile memory is temporary and needs a constant electrical charge to hold data. Nonvolatile memory is permanent and holds memory even when electricity is turned off.
Term
but more permanent?
Definition
Primary storage, secondary storage.
Term
describe this standard?
Definition
PATA (parallel ATA), also called EIDE (enhanced integrated drive electronics) or IDE.
Term
What is the measurement of frequency of a system bus and CPU? Which is faster, the system bus or the CPU?
Definition
Frequency is generally measured in Hz, MHz, or GHz. The CPU is faster than the system bus.
Term
Name three types of buses that are likely to be on a motherboard today.
Definition
Possible answers: PCI (Peripheral Component Interconnect), AGP (Accelerated Graphics
Term
5, and 12 volts of ____ power.
Definition
AC, DC.
Term
________.
Definition
Flash ROM.
Term
CMOS setup allows a technician to change configuration settings on a motherboard stored in ______.
Definition
CMOS RAM.
Term
Name three examples of secondary storage devices.
Definition
Some possible answers: CD drive, hard drive, floppy drive, DVD drive, Zip drive, Blu-ray drive.
Term
and a gigahertz is ________ cycles per second.
Definition
A hertz is one cycle per second. A megahertz is one million cycles per second. A gigahertz is one billion cycles per second.
Term
An AGP slot is normally used for a(n) _______ expansion card.
Definition
Video.
Term
How many sizes of PCI Express slots are currently manufactured for personal computers?
Definition
Four.
Term
Name the three purposes the motherboard ROM BIOS serves?
Definition
The BIOS is used to manage simple devices (system BIOS), the BIOS is used to start the computer (startup BIOS), and the BIOS is used to change settings on the motherboard (CMOS setup).
Term
From where does CMOS RAM receive its power when the computer is not turned on?
Definition
CMOS RAM is powered by a trickle of electricity from a small battery located on the motherboard or computer case.
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