Questions and Answers
What is the maximum cable length for USB 1.1?
Which USB version has a defined maximum length of 5 meters?
What type of connector is most commonly used for professional microphones?
Which connector introduced in 1987 is gradually being replaced by digital interfaces?
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What is the maximum resolution supported by VGA?
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How many pins does a DVI connector have?
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Which connector supports resolutions up to 2560x1600 pixels?
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What is the maximum number of hubs that can be used to extend USB cable length?
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What primary factor should be considered when choosing between AMD and Intel processors?
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Which benefit is associated with USB 3.0 compared to USB 2.0?
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What is the primary function of a computer port?
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What is a common symptom of RAM problems?
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What distinguishes SSD from HDD in terms of performance?
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What aspect of a computer is most directly affected by a faulty power supply unit (PSU)?
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What should be done to prevent problems with the SSD/HDD?
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Which of the following characteristics is NOT typically associated with ports?
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What is the primary purpose of the Mini DVI connector?
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Which statement correctly describes the Micro DVI connector?
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What is the maximum resolution supported by the latest version of DisplayPort?
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What feature distinguishes Mini DisplayPort from standard DisplayPort?
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What type of signals does a Component Video connector primarily transmit?
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Which of the following statements is true regarding Micro DVI connectors?
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How are the pins arranged in a Mini DisplayPort connector?
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Which of the following is a key advantage of DisplayPort over traditional DVI?
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What is the primary function of an S-Video connector?
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Which pin arrangement is found in an HDMI connector?
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Which device is classified as a mechanical input device?
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What is a key advantage of using HDMI over other video connectors?
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What types of signals do the pins in the S-Video port carry?
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Which of the following best defines peripheral devices?
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What type of devices uses light to input data into a computer?
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What color is the S-Video port commonly found in?
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Study Notes
Computing Devices
- Computing devices encompass a wide range of hardware used for processing data.
Different Types of Computing Devices
- Personal computers can be categorized into desktops, laptops, tablets, and smartphones.
- Other categories include servers, workstations, and embedded systems.
Other Types of Computing Devices
- Gaming consoles, smart TVs, and IoT devices are examples of alternative computing devices.
Computer Components
- The internal components of a computer include the motherboard, CPU, RAM, PSU, and storage devices.
Parts of the Internal Computer
- The motherboard houses the CPU, RAM, and connectors for other hardware components.
Common Problems of Motherboard
- Issues may include failed power connections, damaged slots, and overheating problems.
Tips to Prevent Motherboard Issues
- Ensure proper ventilation, avoid overclocking, and check power supply levels regularly.
AMD & Intel Processors
- AMD offers better value for budget-friendly builds, while Intel tends to excel in high-end gaming performance.
Common Problems of PSU
- PSUs may face overheating, fluctuating voltage, or total failure impacting system stability.
Tips to Prevent Problems of PSU
- Use adequate wattage for your needs, keep the PSU clean, and monitor for unusual noises.
Types of RAM
- Includes DDR, DDR2, DDR3, and DDR4, with each providing various speeds and efficiencies.
RAM Problem Symptoms
- Symptoms can include frequent crashes, slow performance, and error messages during boot.
HDD vs SSD
- HDDs (Hard Disk Drives) use mechanical parts and are slower but offer more storage, while SSDs (Solid State Drives) are faster and more durable due to lack of moving parts.
Common Problems of SSD/HDD
- Potential issues include data corruption, mechanical failure, or performance degradation over time.
Symptoms of Bad SSD/HDD
- Symptoms may include long boot times, frequent freezes, and unable to read/write files.
Tips to Prevent Bad SSD/HDD
- Regular backups, avoiding sudden power loss, and monitoring drive health can prolong lifespan.
Ports
- Ports serve as hardware interfaces connecting devices to a computer, transferring signals via wired or wireless methods.
Computer Connector Types
- Various connector types exist including USB, HDMI, VGA, DVI, and audio connectors.
Power Supply Port Connectors
- Connectors vary between types, ensuring compatibility with power supplies and devices.
USB 3.0
- Offers a transfer rate of 5.0 Gbps, being 10x faster than USB 2.0, with backward compatibility and enhanced efficiency.
Common Types of USB Connectors
- Includes USB-A, USB-B, USB-C, and Micro USB, distinguishing between standard and compact forms.
Main Types of Audio Connector
- Common audio connector types include 3-pin XLR, RCA, and TRS.
3-pin XLR Connector
- The industry standard for balanced audio signals, primarily used for professional microphones.
VGA Connector
- Introduced in 1987, VGA supports resolutions up to 1920x1200 pixels and is being replaced by digital interfaces.
DVI Connector
- Supports resolutions up to 2560x1600 pixels, offering a versatile digital video connection.
Mini and Micro DVI Connectors
- Smaller DVI variants capable of transmitting multiple video signals but largely replaced by Thunderbolt.
DisplayPort Connector
- Designed to replace VGA/DVI, supporting resolutions up to 7680x4320 with a 20-pin design.
Mini DisplayPort
- A smaller version of the DisplayPort standard, supporting high resolutions and refresh rates.
Component Video Connector
- Transmits video signals through multiple channels for improved video quality compared to composite video.
S-Video Connector
- Provides better picture quality than composite video, though with lower resolution than component video.
HDMI
- A versatile interface introduced in 2002 capable of handling 8K resolution and surround sound audio.
Peripheral Devices
- Devices that connect to computers for input, output, or data storage but do not contribute to primary computing functions.
Input Devices
- Include mechanical (keyboards, mice) and optical (scanners, webcams) types for data entry.
Mechanical Input Devices
- Input data via physical movements, including keyboards and touchpads.
Optical Input Devices
- Utilize light for data input, like scanners and cameras.
Electrical Input Devices
- Operate using electrical signals to transmit data into the computer.
Output Devices
- Responsible for conveying processed data, including monitors, printers, and speakers.
Input/Output Devices
- Devices that can both send and receive data, such as external drives and touchscreens.
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Description
This quiz explores various computing devices, focusing on personal computers, their components, and common issues. Learn about different types of computers, from desktops to gaming consoles, and understand the crucial internal parts like the motherboard and processors. Engage with practical tips for preventing hardware problems.
