Chapter 1 Flashcards

1
Q

What 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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2
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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3
Q

Which two software interfaces allow adjustment of the CPU voltage?

A

UEFI

BIOS

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4
Q

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

A

RAID

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5
Q

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

A

SRAM

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6
Q

Fill in the blank.
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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7
Q

Fill in the blank.
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

adapter

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8
Q

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

A

chipset

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9
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. What device allows the administrator to connect all the servers to a single monitor and keyboard?

A

KVM switch

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10
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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11
Q

What electrical unit refers to the number of electrons moving through a circuit per second?

A

current

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12
Q

What type of memory is primarily used as cache memory?

A

SRAM

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13
Q

What unit of measurement is used to indicate the hard drive speed?

A

revolutions per minute

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14
Q

What type of connector can be used to connect an internal hard drive to the motherboard?

A

SATA

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15
Q

A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. What hard drive upgrade would improve performance while providing more reliability and more energy efficiency?

A

SSD

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16
Q

What security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?

A

execute disable bit

17
Q

Define ESD.

A

electrostatic discharge

18
Q

Define PSU.

A

power supply unit

19
Q

What controls high speed access to RAM and video card?

A

Northbridge

20
Q

Multiple pieces of code (threads) are executed simultaneously in the CPU. What is this called?

A

Hyper-threading

21
Q

DDR stands for?

A

Double data rate

22
Q

ECC stands for?

A

Error correction code

23
Q

RAID stands for?

A

Redundant array of independent (or inexpensive) disks

24
Q

A grouping of digital information that represents information such as letters, numbers and symbols is referred to as a?

A

byte

25
Q

DIMM stands for?

A

dual in line memory module