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NPower Comptia 220-1001 Chapter 1 Vocab: Well Detailed Study Set
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NPower Comptia 220-1001 Chapter 1 Vocab: Well Detailed Study Set
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NPower Comptia 220-1001 Chapter 1 Vocab: WellDetailed Study Set
Hardware Right Ans - The physical equipment of the computer that the
user can interact with eg. mouse, keyboard.
Software Right Ans - The visual (operating systems: Windows, Linux, etc)
Computer Case Right Ans - Provides protection, support, and housing for
internal components of a computer.
Form Factor Right Ans - The size and layout of a device, port, or peripheral
(ie. how something looks and is shaped).
PSU (Power Supply Unit) Right Ans - helps convert AC (Alternating
Current) to DC (Direct Current).
Rail Right Ans - is a wire/path inside a PSU that carries electricity of a
certain voltage.
The three basic rails of a Power Supply Right Ans - +3.3Volts, +/-5V, and
+/-12V and never vary.
Form Factors of a PSU Right Ans - Single Rail Power supplies that have only
one over-current protection circuit.
and
Multiple Rail Power supplies that have more than one over-current protection
circuit. Safer, but more expensive.
Motherboard Right Ans - The main printed circuit board
Purpose: Holds together many of the crucial components of a computer,
including the CPU (central processing unit), memory, and connectors for
input/output devices.
What are Buses? Right Ans - electrical pathways on the circuit board.
Motherboard Form Factors Right Ans - - The form factor of the
motherboard depends on the size and shape of the board
, -The most common form factor for Motherboard is ATX, ITX, and Micro ATX.
-The bigger the motherboard the more things you can attach to it, the smaller,
the less.
CPU (Central Processing Unit) Right Ans - Processor→ It processes a
program which is a sequence of instructions (*Brain of the computer) that
contains cores. These cores act as arms to handle different tasks.
What are the speeds of a CPU measured Right Ans - Megahertz + Gigahertz
Overclocking Right Ans - Forcing a CPU to run faster than intended.
Throttling Right Ans - Lowering the speed of a CPU (To stop the computer
from overheating would be a reason for throttling/Battery saver mode is an
example of this)
Hyper-Threading Right Ans - Tricking a CPU to act as if it has more cores or
arms to different handle tasks.
CPU Form Factors Right Ans - - PGA + LGA - Two main form factors for CPU
-Intel CPU Form Factor type-LGA (Land Grid Array) and their models use all
numbers.
-AMD CPU Form factor-PGA (Pin Grid Array) and their models use letters.
Volatile Right Ans - meaning that it is lost when the computer is turned off
RAM Right Ans - Random Access Memory is volatile storage for data and
programs that are being accessed by the CPU.
You can pull it out without it interacting with other chips
and the Motherboard should accommodate it so don't forcefully place it in.
Non-Parity RAM Right Ans - RAM that does not have parity, does not check
for errors, mainly used in desktops.
Parity Right Ans - Checks for errors in RAM
ECC (Error Correcting Code) Right Ans - Has the possibility to find and try
to fix errors in RAM. *Is a luxury, very expensive, used for servers.
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