Computer Hardware and Safety

This set of flashcards covers essential topics related to computer hardware, usage, maintenance, and technology health risks as presented in the lecture notes.

What are the key considerations when purchasing technology devices?

Explain considerations when purchasing technology devices, describe input and output devices, evaluate hardware, prevent hardware failure, distinguish storage types, describe network hardware.

What components make up computer hardware?

Memory, storage devices, CPU, input and output devices, communication devices.

What is the area of the hard drive that stores data that cannot fit in RAM called?

Swap file or paging file.

What is volatile memory?

Memory that needs to be constantly recharged or its contents will be erased.

What distinguishes static RAM from dynamic RAM?

Static RAM can be recharged less frequently than dynamic RAM but is generally more expensive.

What is the difference between ROM and RAM?

ROM is permanent storage (non-volatile), while RAM is temporary storage (volatile).

What are the two types of memory in computers uhse?

Volatile and non-volatile memory.

What is the purpose of a device driver?

A program that allows your computer or device to control a separate device, like a printer or monitor.

What factors should be considered when deciding which type of computer to buy?

Platform requirements, specific hardware needs, hardware specifications, form factor, add-on devices.

What is the form factor in computing?

The shape and size of the computer.

What types of computers are commonly found?

Desktop, all-in-one, laptop, tablet, and other mobile devices.

What distinguishes ultrathin laptops from standard laptops?

Ultrathin laptops are lighter, more expensive, less powerful, and have longer battery life.

What is the function of a scanner?

Converts existing paper images into electronic files.

What is a multifunction device?

An all-in-one printer that can scan, copy, fax, and print.

What do voice synthesizers do?

Convert text to speech for output.

What steps should be followed before turning on a new computer for the first time?

Review the manual, ensure all components are included and undamaged, connect all components, and follow on-screen instructions.

What is an uninterruptible power supply (UPS)?

A device that maintains power to computer equipment during an electrical outage.

What is a surge suppressor?

A device that prevents power fluctuations from damaging electronic components.

What is the definition of e-waste?

Electronic waste from discarded digital devices that may contain toxic metals.

What are three responsible methods of disposing of e-waste?

Recycling, donating to charity, bringing to a technology store.

What is the purpose of a wireless router?

Connects multiple devices in a home-based Wi-Fi network.

What is a CPU?

Central Processing Unit that processes instructions and manages tasks.

What is virtual memory?

A method that uses a portion of the hard drive as additional RAM.

What is a swap file?

A space on the hard drive used to store data that cannot fit in RAM.

What constitutes a network in computing?

A combination of hardware and software that allows for resource sharing among computers.

What types of devices typically exist on a network?

Computers, tablets, mobile phones, printers, and smart devices.

How does a hub differ from a switch in a network?

A hub transfers all data to all devices, while a switch directs data only to the specific device that requires it.

What is the role of a modem in networking?

Connects a communication channel to sending or receiving devices.

What does a heat sink do?

Absorbs and disperses heat produced by the processor.

What is a machine cycle in computing?

The four-step process of fetching, decoding, executing, and storing operations in a CPU.

What is repetitive strain injury (RSI)?

A condition affecting muscles and tendons due to prolonged repetitive activities.

What are the symptoms of RSI?

Aching, cramping, numbness, pain, stiffness, tenderness, throbbing, and tingling.

What ergonomic principle should be followed when using technology?

Design workstations to reduce strain, using correct posture and techniques.

What is technology addiction?

A behavioral hazard where a user is obsessed with using a technology device.

What is cyber-bullying?

The use of technology to harass or intimidate others via digital means.

What are some negative impacts of technology on social interaction?

Sedentary lifestyle, psychological issues, social interaction problems.

What does the acronym SEM stand for in technology?

Sustainable Electronics Management.

What is the importance of an operating system restore?

Reverting settings and system state to previous versions to recover from issues.

What are cooling pads used for in computers?

Prevent overheating by providing additional airflow for laptops.

What types of storage solutions exist for computers?

Internal hard drives, external hard drives, optical media, USB drives, and cloud storage.

What is the difference between an HDD and an SSD?

HDDs are slower and use magnetic storage, while SSDs are faster and use solid-state storage.

What common devices can digital modems connect to the Internet?

Computers, tablets, phones, and smart devices.

What should be inspected when setting up network hardware?

Check connections, functionality of devices, and ensure correct installation.

What is firmware?

Instructions updated by manufacturers found in ROM chips.

What is the purpose of benchmarks in computing?

To assess processor speed and overall performance values.

What do communication devices include in hardware?

Devices that enable information exchange between computers.

What must be considered regarding hardware specifications when buying a computer?

Ensure the computer has the required specifications for intended tasks and software.

How do you prevent hardware theft?

Use cable locks, keep devices out of sight, and remain aware in public places.

What measures can help protect against hardware damage?

Clean devices regularly, control environmental factors, and use surge suppressors.

What is a characteristic of internal storage devices?

They are installed directly in the computer and typically provide high capacity.