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computing bacics
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- 1what is an input deviceAn input device is a hardware or peripheral device used to send data to a computer. An input device allows users to communicate and feed instructions and data to computers for processing, display, storage and/or transmission.
- 2what is an output deviceAn output device is any device used to send data from a computer to another device or user. Most computer data output that is meant for humans is in the form of audio or video. Thus, most output devices used by humans are in these categories
- 3what is a storage deviceA piece of computer equipment on which information can be stored.
- 4Give an example of input, process and outputa mouse, a tower computer & a monitor
- 5What is the purpose of a power supply?The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load.
- 6What is the purpose of the computer case?it protects that hardware and helps to keep it cool.
- 7What is the purpose of the motherboard?The motherboard's primary purpose is to manage all the computer's subsystems.
- 8What is the purpose of the Processor?The processor acts as the computer's brain, running programs and sending and receiving signals to attached devices to keep the computer running.
- 9What is the purpose of the RAM?RAM (Random Access Memory) is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor.
- 10What is the purpose of the Hard Drive?The most important characteristic of a hard drive is how much data the hard drive can store, referred to as the storage capacity.
- 11What is a repetitive strain injury (RSI) and what causes them?Repetitive strain injury (RSI) is a general term used to describe the pain felt in muscles, nerves and tendons caused by repetitive movement and overuse. It's also known as work-related upper limb disorder, or non-specific upper limb pain.
- 12What is the cause of back injuries when using a computer?Posture-related injuries from computer use. Back and neck pain, headaches, and shoulder and arm pain are common computer-related injuries. Such muscle and joint problems can be caused or made worse by poor workstation (desk) design, bad posture and sitting for long periods of time.
- 13What is eye strain and what is the cause?Eye strain is a symptom, not an eye disease. Eye strain occurs when your eyes get tired from intense use, such as driving a car for extended periods, reading, or working at the computer. If you have any eye discomfort caused by looking at something for a long time, you can call it eye strain.
- 14By law, what do employers have to provide for their employees?It is an employer's duty to protect the health, safety and welfare of their employees and other people who might be affected by their business. Employers must do whatever is reasonably practicable to achieve this. ... Employers have duties under health and safety law to assess risks in the workplace.
- 15What is the purpose of Binary?to control a computer
- 16How many bits are in a Binary number?8
- 17What devices do you need to connect to the internet?PC/computer---------network interface cable
----------router--------moden
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- Fichas sobre computing bacics, creado por Daniel Varley el 26/09/2018.
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- Daniel Varley
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