physical components found inside a computer

physical components found outside computer or may be found with a computer

Which of the following are examples of Internal hardware

Which of the following are examples of external hardware

Computer hardware is not a platform for information processing cycle.

consists of four steps; input step, process step, output step, and store step.

any hardware devices that send data to a computer .

Input devices allowing users to interact with, control, and feed data to computers.

input device is mainly used to control and playing computer games.

allow users to input letters, numbers, and other symbols into a computer that can serve as commands or be used to type text.

A trackball is an input device used to control a pointer/cursor .

Track Ball is the most popular pointing device.

Mouse :

Arrow keys of the keyboard is faster than mouse

It takes analogue sound waves and converts them into electrical signals, suitable for a computer.

Light pen is a light-sensitive pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen.

Scanner

input devices that capture images in digital form.

image sensor chip to capture the image, rather than the film used by a traditional camera.

Many digital cameras are capable of recording video in addition to taking photos.

video camera that feeds its image in real time to a computer or computer network.

input device that enables an artist to draw or sketch digitally using a pen or stylus.

Bar Code Reader is used for reading bar coded data (data in the form of light and dark lines).

any device used to send data from a computer to user .

Monitors

in Monitors : The number of pixels per inch can be measured by (PPI).

transfer the soft copies of texts and photos to hard copies.

cheap and widely used. However, they are slow and produces have low quality printout.

create a three dimensional solid objects from a digital file.

very high speed with very high quality output. However, they are expensive.

are print in high quality. However, it is expensive and it slow as compared to laser printer.

cheap and widely used. However, they are slow and produces have low quality printout.

mainly used by architectural engineers to print out building plots, maps, and engineering drawing.

create a three dimensional solid objects from a digital file .

Speakers

Projector is an output device that connect to computer, take images and videos and reproduce them onto wall

capable of store and retrieve data either temporarily or permanently.

Around one million Bytes

Around one billion Bytes

has 1024 Bytes

Around one trillion bytes

5 MB = KB

device is a hard drive or solid-state drive directly attached to the device.

storage device containing magnetic disks rotating at high speeds.

Local storage

type of nonvolatile storage media that stores persistent data on solid-state flash memory.

HDD is faster and more efficient in terms of data stores and retrieves than SSD.

SSD produce little heat

SSD is more expensive than HDD

HDD is require more power than SSD

Why SSD does not make any noise ? Because it .......

Portable storage devices are used to transport data

devices are lightweight plastic discs with a light reflecting layer. Data can be stored by using laser light.

Blu-ray disc (BD), its capacity around .......

compact disc (CD) its capacity around .......

storage device commonly used in small, portable devices, such as cameras and phones.

service model in which data is stored, managed, backed up remotely and made available to users over a network (typically the Internet).

User gets 15 GB of free space.

free cloud storage with 50 GB.

users get 2 GB of free space with several ways of earning up to around 18 GB.

Everyone gets 5 GB of free space.

main part of a computer. They include the motherboard, CPU, RAM, and other components.

The central processing unit (CPU) is a small electron chip

Main circuit board of a microcomputer where Computer components are attached.

hold the data and instructions that the Central Processing Unit (CPU) needs.

It hold, allocates power, and allows communication between computer hardware components.

The brain of computer

processes data and performs arithmetic and logical operations.

Motherboard speed is measure in Hz for example (MHz and GHz)

they are temporary data storage allocations. They hold transitory data while the instruction is being carried out.

it performs mathematical operations and Logical operations .

It directs operations within a computer’s processor .

(addition, subtraction, multiplication and division) are examples of ....

(comparisons of values, selections, matching and data merging) are examples of ....

This type of memory stores the data needed to start up the computer.

called CPU memory

high-speed static random access memory (SRAM) that a CPU can access more quickly than it can access regular RAM.

high-speed static random access memory (SRAM) that a CPU can access more quickly than it can access regular RAM.

It does not lose its contents if the computer is turned off or if the power is disconnected.

It loses its content as soon as the computer is turned off or in case power is disconnected.

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