ITEC QUIZ 2 Hardware

DVD

8.5

Android

OS Used by most non-e apple phones

Processor

all computations and activities in the digital devices

burning

writing data onto a disk

giga hertz

1 Billion

hertz

1 cycle per second

megahertz

1 million

Degragmenting hard drive

1) Open disk 2_ under current status 3) analyze disk 4) defragment disk

information processing cycle

1) input 2) process 3) output 4) store

Storage capacities in order high to low

1) petabyte 2) terabyte 3) gigabyte 4) megabyte 5) kilobyte

A gigabyte is equal to ____ bytes.

10,000,000, billion

unicode

16 bit encoding standard. capable of representing all of the worlds languages

ASC11 encoding standard

256 characters 26 upper & lowercase numbers

Blue ray

50 GB per slide

bytes

=8 bit. each #, special character, letter in alphabet is represented by a byte. basic unit of capacity I computers

Hard drive ____ is the amount of storage you have available to save data and information.

Capacity

Computer

Digital device that accepts input, processes and stores the input and provides output

Register

Extremely small pieces of memory ( size is measured in bits) located through out the processor

memory cache

High Speed memory used by CPU to store frequently accessed data & instructions. ~refered by levels L1 small & integrated into CPU, L3 larger and next to CPU

Laptop

Mobile hinged computer with an intergraded keyboard that uses a full operating system is called a notebook of a laptop computer

about of RAM

Phones: 2gb laptop:4gb

Connector

Specialized end of a cord, plug, or expansion card that connects into a port

Thunderbolt

a type of firewire port commonly found on apple computers. high speed data & power transfer connects. ports allowing connecting to 6 devices

input

accepting data

native resolution

actual # of pixels in a monitor

ROM ( read only memory)

actually stored it retain data and information when the power has been turned off

SSD ( solid state drive)

all electronic storage devices. has no moving parts, making it move fast, efficient & durable. more expensive than hard drives

HDMI

allows for the transmission of high definition audio and video signals

Wireless ports

allows transmission of data using radio waves

Wordsize

amount of data a processor can hold and the process at one size

bus width

amount of data that can be transmitted by a given time

samsung

apple competitor

downward compatibility

cable of using old products or software

Bus

channel over which info flows inside a computer

Unicode

coding standard using at least 16 bits to represent a character of information

Ethernet

commonly used for connecting devices in a network.

CPU ( Central Processing Unit)

computers processor "brains of computer"; microprocessor

ripping

copying data from a disk to a. computers hard drive

to reduce the time it takes to find files on a hard drive it is a good idea to _______ your hard drive.

defragment

graphics

depiction of stat on a display or output devices are called graphics

IPOS

describing 4 functions of a computer

ROM (read only memory)

device that separates chips of storage that contains instructions that are not designed to be written again/ changed ; separate from the hard drive.

optical drive

disk area of computer

output

displaying of information

Desktop computers

easy upgrade, full of os, used in offices

SSD

extremely fast, no moving parts

embedded computers

found in cars, controlling ignition, anti locks

intel

founded 1968, worlds largest manufacturer of processors

AmD

games

pixel

google phone

Storage Device

hardware component that keeps data and information when the device is not powered

Disk Cache

high speed memory used by the hardware drive to store frequently accessed data

Cache

high speed storage area usually located directly on CPU. smaller but faster than RAM. used to speed repeated instructions.

Non Tablet computer

includes Terabyte, most allow upgrade RAM

Decode

instruction are converted into something that computers can understand

Fetch

instruction is obtained from memory

RAM

largest memory in a computer, connected to the processor via the frontside bus. main memory on computer, connected to cpu, solid state electronic ( no moving parts) temporary storage area, cleared when device is powered off

To read pits and lands, optical storage devices use

lasers

L1 cache

located directly on processor

l3 cache

located next to processor

control unit

locates, analyzes, executes instructions

L1 Cache

memory located on the processor itself

max # of pixel

native resolution

Control Unit

part of the processor that tells the memory computer, arithmetic logic unit, input and output devices how to respond to a programs instruction

ALU ( arithmetic logic unit)

performs math

Nvidia

phone processors

hardware

physical parts of a computer

computer memory

physically found on microchips that are located on the motherboard

port

point designed to accept a specific connector

Tablet Computer

portable, smaller OS, touchscreen

clockspread

processor performs the operation required to run a digital device

applications

programs that add capabilities to smartphones

irDa infrarded data association

protocol for infrared communication transfer

VGA

provides analog signs for video displays, replaced by HDMI connectors

R

recordable one time

Memory Cache

relatively small area of memory ( memory measured in kilobytes, megabytes, quickly accessible by a processor

bit

represented by either 0 or 1, smallest unit od data a computer can process

store

results are placed in memory before the next instruction executed

RW

rewrittable ( more than once)

port

slot or hole that matches the cord or expansion card being connected to the port

Register

small piece of memory located through out processor

Cache contains frequently accessed data and is ______ than RAM.

smaller

pixel

smallest element of an image

MIDI

special connector for digital musical devices

connector

specialized end of a cable or devices that plug into a port

CD

store 700 MB

hard drive

stores data magnetically, read/write head/ platter

plug & play

technology that enables the os to detect and configure peripherals w/o downloading software or drivers

Execute

the processor completes the instruction

iPhone

use the os