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computers
Difference between interactive and non interactive system
1 min
by Junaid Rehman 3 years ago8 months ago

What is an interactive system The interaction between a computer and a user is known as a computer interactive system. In smartphones, tablets we also see interaction with different games, and apps. There are some types of interactive systems which are graphical user systems, command-line systems, and menu-driven systems. Nowadays touch screen LEDs are also...
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computers
What is wearable computer with example
3 min
by Junaid Rehman 3 years ago8 months ago

Definition of wearable computer “A wearable computer is a portable computer that is worn on the body and is mostly used for health purposes”. They can also be used as hands-free e.g. they can get signals from muscles, voice, brain, head position, lips, eye position and these gestures are to control other devices and computers....
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computers
What are advantages and disadvantages of desktop computer
4 min
by Junaid Rehman 3 years ago8 months ago

Definition of computer A computer is an electronic device that processes, calculates, and operates on the instructions given by software and hardware. A user gives input to the computer from the keyboard or mouse and the CPU of the computer processes the input and shows output on the screen or monitor. The computer has two...
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computers
What is controller area network (CAN) with example
3 min
by Junaid Rehman 3 years ago8 months ago

Definition of controller area network (CAN) CAN or controller area network is a type of communication network between microcontroller and devices in a vehicle. It is also known as CAN bus because a common bus is attached with all the devices of the vehicle. CAN uses serial processing that means communication between microcontroller and devices...
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computers
What is point to point topology with example
1 min
by Junaid Rehman 3 years ago8 months ago

Definition of point to point topology “A point to point topology is a way of connecting two nodes (computer, laptop, mobile device, router, hub or switch) through a common medium. The medium can be wired cable or wireless satellite.” In this topology, two nodes are usually placed near each other. The node can also be...
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computers
What is OSI model and layers of OSI model
2 min
by Junaid Rehman 3 years ago8 months ago

OSI stands for Open System Interconnection. OSI model is a set of rules that makes communication between two systems. The data is transferred from one computer system to another by this set of rules that the OSI model defines. OSI model was developed by ISO (International Standard organization). The OSI model is divided into seven...
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computer beginners
Difference between internal and external commands
1 min
by Junaid Rehman 3 years ago8 months ago

Commands are executed by the operating system to perform any action. For example, to load any software or program commands are first executed. Similarly to copy/create/delete/execute any files or directories some commands are also used. Commands are coded in the C programming language. We write commands in MS-Dos, terminal, and command prompt. There are two...
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ipad and iphone
What are advantages and disadvantages of iPad
4 min
by Junaid Rehman 3 years ago8 months ago

iPad is a product of Apple company. Apple company make other technology products also like iPhone, Mac book, Apple Watch, Apple TV, Apple glasses etc. Apple company CEO Steve Jobs announced the first iPad on March 12, 2010. The work on the iPad was started before the release of the iPhone. iPhone first version was...
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computers
What is modem and its types
2 min
by Junaid Rehman 3 years ago8 months ago

Definition of modem “A modem is a network device that converts digital signal from computer to analogue signal and converts analogue signals to digital signals” A modem is a short form of modulator and demodulator. Data transfer in analogue form in the telephone cables. There are different cables like coaxial cable and twisted pair cables....
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computers
Types of network devices
6 min
by Junaid Rehman 3 years ago8 months ago

What is a network device “A network device is a hardware device that is used to connect computers, laptop, smartphones, printers, scanners with one another.” These network devices work on different OSI layers. For example repeater and hub work on the physical layer and switch works on the data link layer. Some network devices are:-...
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