IT Ess I v.4x Chapter 1

v3v3IT Essentials

Chapter 1

JEOPARDY

D Taysom & K. Martin

IT Ess I v.4x Chapter 1

RouterRouterModesModes

WANWANEncapsulationEncapsulation

WANWANServicesServices

RouterRouterBasicsBasics

RouterRouterCommands Commands

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PC BasicsPC Basics Internal Internal

ComponentsComponents Ports & Ports & CablesCables

Input/Output Input/Output DevicesDevices

SystemSystemResourcesResources

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► ► ► F i n a l J e o p a r d y ◄ ◄ ◄

IT Ess I v.4x Chapter 1

Question

Any physical device of a computer is called this.

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A: What is Hardware?

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QuestionA: What is the power supply ?

The device that converts AC power to DC power.

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A: What is a form factor ?

The size and shape of motherboards or computer cases.

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A: What are voltage, current, power, and resistance ?

These are the four basic units of electricity.

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A: What is a capacitor?

This electronics component holds charge.

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A: What is ROM ?

This type of memory retains its contents even when the computer is powered down.

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A: What is SDRAM (synchronized dynamic RAM)?

This type of dynamic RAM is timed to work with the memory bus.

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A: What is SRAM (static random access memory) ?

Cache uses this type of memory to store data frequently needed by the CPU.

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A: What are PCI slots?

These beige colored expansion slots are the standard slot in most PCs.

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Question

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A: What is a CD?

The optical media with a data storage capacity of approximately 700 MB.

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Question

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A: What is 50 feet (serial)?

The maximum length of the cable pictured here.

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Question

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A: What are 6-pin or 4-pin for 1394a and 9-pin for 1394b ?

The types of connectors for IEEE 1394a and IEEE 1394b.

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A: What are 1.5 Mbps & 12Mbps for USB 1.1 and 480 Mbps for USB 2.0?

The transmission rates of USB.

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Question

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A: What is VGA?

The type of port pictured here.

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A: What is parallel?

Its port can transmit 8 bits at a time and its cable can be a maximum of 15 feet.

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Question

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A: What are a keyboard and mouse?

The two most commonly used input devices

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A: What is a scanner?

This input device digitizes an image or document.

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A: What are speakers and headphones?

Two output devices for sound.

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A: What is an LCD monitor?

Output device that employs the use of polarizing filters with a liquid crystal solution between them.

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A: What is a CRT monitor?

Device that displays images by moving red, green, and blue electron beams across a phosphorus-coated screen.

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Question

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A: What is an IRQ (Interrupt Request)?

A request from a device for communication with the CPU.

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A: What is 16?

The number of IRQ channels most computers have today.

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A: What is an I/O (Input/Output) port address?

A unique hexadecimal memory address that’s associated with a specific device on a computer.

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A: What are DMA channels?

Channels used by high-speed devices to communicate directly with memory (bypassing the CPU).

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A: What is 8?

The number of DMA channels in modern computers.

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A: What is EEPROM (electrically erasable programmable read only memory)?

The type of ROM that can be flashed or changed while in the computer.

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Question

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A: What is a gigahertz?

1,000,000,000 (Billion) Hertz ..

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A: What is accessing RAM and the video card and the speed at which the CPU can communicate with them?

The activities that are controlled by the Northbridge.

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A: What are hard drives, the sound card, USB and other ports?

The devices the Southbridge allows the CPU to communicate with.

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Question

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A: What is a molex connector?

The type of connector shown here.

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IT Ess I v.4x Chapter 1

QuestionA: What is +12V?

The voltage used by disk drive motors, fans, cooling devices and the system bus slots.

Final Jeopardy

CCNA1 v3 Module 1

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