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IT Essentials > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector?

A

Power Supply

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2
Q

What three components should be included in a computer that is used to create TV commercials and music videos? (Choose three.)

A

Specialized Video Cards
Large and Fast Hard Drives
Specialized Audio Card

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3
Q

What characteristic of electricity is expressed in watts?

A

The work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second

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4
Q

Which type of memory is primarily used as cache memory?

A

SRAM

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5
Q

Which component controls the communications and interactions between the CPU and other components on the motherboard?

A

Chipset

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6
Q

Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)

A

Access to RAM

Access to the Video Card

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7
Q

A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?

A

chipset

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8
Q

What type of memory is integrated directly into the CPU chip to provide fast access to data?

A

SRAM

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9
Q

Which three devices are considered output devices? (Choose three.)

A

monitor
printer
headphones

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10
Q

Which term refers to the technique of increasing the speed of a processor from the specified value of its manufacturer?

A

overclocking

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11
Q

A user has a new computer with only a USB port. The user will need a USB to Ethernet _________ to connect to the office wired LAN.

A

converter or adapter

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12
Q

What unit is used to measure the amount of resistance to the flow of current in a circuit?

A

Ohms

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13
Q

Servers and high-end workstations commonly use _________________memory, which is specialized memory as it has additional circuitry to manage large amounts of RAM

A

buffered

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14
Q

Which two pieces of information are needed before selecting a power supply? (Choose two.)

A

Form Factor of the Case

Total wattage of all components

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15
Q

Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?

A

Large amounts of fast RAM

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16
Q

What is a characteristic of thin clients?

A

They require a network connection to access storage and processor resources.

17
Q

What danger is posed to a technician by opening a power supply even after it has been unplugged for an extended period of time?

A

Shock from stored high voltage

18
Q

Which two software interfaces allow adjustment of the CPU voltage? (Choose two.)

A

UEFI settings

BIOS settings

19
Q

When a computer is being built, which three components must have the same form factor? (Choose three.)

A

Case
Motherboard
Power Supply

20
Q

A network administrator currently has three servers and needs to add a fourth, but does not have enough room for an additional monitor and keyboard. Which device allows the administrator to connect all the servers to a single monitor and keyboard?

A

KVM Switch

21
Q

Which adapter card in a PC would provide data fault tolerance?

A

RAID Card

22
Q

the size, shape and physical layout of computer components such as case, motherboard, and power supplies

A

form factor

23
Q

the measure of the work that is required to move a charge from one location to another

A

volts

24
Q

the measure of resistance to the flow of current in a circuit

A

ohms

25
Q

the measure of the number of electrons moving through a circuit per second

A

amps

26
Q

the measure of the work per second of electrical current

A

watts

27
Q

the brain of the computer

A

cpu

28
Q

the main temporary working storage location for data and programs

A

RAM

29
Q

memory location that stores basic operational instructions used by the CPU for booting the computer

A

ROM

30
Q

a redundant array of disk drives that provides redundancy and fault tolerance

A

RAID

31
Q

storage devices that are replacing magnetic disk drives for permanent data storage

A

Solid State Drives

32
Q

magnetic disk drives that are used for permanent data storage

A

hard disk drive

33
Q

computers that rely on a central server for all, or most, data storage and processing resources

A

thin client

34
Q

the main circuit board inside the computer to which all computer components connect

A

motherboard

35
Q

integrated circuits on the motherboard that control system hardware interaction with the CPU and motherboard

A

chipset

36
Q

Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)

A

number of CPU Cores

amount of RAM

IT Essentials (16 decks)

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