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Hardware > Chapter 1 > Flashcards

Chapter 1 Flashcards

This chapter introduces the platform of data networks upon which our social and business relationships increasingly depend. The material lays the groundwork for exploring the services, technologies, and issues encountered by network professionals as they design, build, and maintain the modern network.

1
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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2
Q

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

A

Case, Power Supply, Motherboard

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3
Q

What is the function of the power supply?

A

to convert AC power into a lower voltage DC power

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4
Q

Which technology would be best to use for drive redundancy and data protection?

A

RAID

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5
Q

What is a characteristic of a hot-swappable eSATA drive?

A

It can be connected and disconnected to the computer without turning off the computer

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6
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

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7
Q

Which is a possible use for virtual computing?

A

to allow users to browse the Internet without the risk of malware infecting the host software installation

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8
Q

Which IEEE standard defines the FireWire technology?

A

1394

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9
Q

What is the maximum data speed of high-speed USB 2.0?

A

480 Mbps

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10
Q

Which device allows you to connect multiple computers to a single keyboard, mouse, and monitor?

A

KVM switch

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11
Q

What is Ohm’s law?

A

V = IR. (Voltage is equal to Current multiplied by Resistance)

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12
Q

What are the three versions of ATX motherboards?

A
  1. ATX: Advance Technology Extended
  2. Mini-ATX: Smaller footprint of Advance Technology Extended
  3. Micro-ATX Smaller footprint of Advance Technology Extended
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13
Q

There are two types of CPU Socket types, what are they?

A
  • LGA: Land Grid Array
  • PGA: Pin Grid Array
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14
Q

What is RISC?

A

Reduced Instruction Set Computer (RISC) - Architectures use a relatively small set of instructions.

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15
Q

What is CISC?

A

Complex Instruction Set Computer (CISC) - Architectures use a broad set of instructions, resulting in fewer steps per operation.

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16
Q

The amount of data that a CPU can process at one time depends on the size of what?

A

Front Side Bus (FSB).

17
Q

Current processors use a either a __-bit or __-bit FSB.

A

32 or 64.

18
Q

How many CPU cores are in a Octa-Core CPU?

A

Eight.

19
Q

What are the four ROM types?

A
  1. ROM: Read Only Memory
  2. PROM: Programmable Read Only Memory
  3. EPROM: Erasable Read Only Memory
  4. EEPROM: Electrically Erasable Programmable Read Only Memory
20
Q

True / False: A PROM chip can be erased and re-written.

A

Fale. PROM chips cannot be erased or re-written.

21
Q

How is EPROM erased?

A

Exposure to a UV light. Special equipment is required, however.

22
Q

True / False: You can erase the data on a EEPROM chip without removing it from the computer?

A

True.

23
Q

How much RAM can a 32-bit processor support?

A

4GB or 4096MB

24
Q

Which is faster, DRAM or SRAM?

A

SRAM as it is a memory chip that is used as cache memory.

25
Q

DDR stands for what (other than Dance Dance Revolution)

A

Double Data Rate.

26
Q

What are the 5 memory module types?

A
  1. DIP: Dual Inline Package
  2. SIMM: Single Inline Memory Module
  3. DIMM: Dual Inline Memory Module
  4. RIMM: RAMBus Inline Memory Module
  5. SODIMM: Small Outline Dual Inline Memory Module
27
Q

How many L caches are there?

A

Three. L1, L2, and L3.

28
Q

Where is the L1 cache stored?

A

Intergrated into the CPU.

29
Q

Where is the L2 cache stored?

A

Originally mounted on the motherboard, it’s not intergrated into the CPU.

30
Q

Would you find a CPU with L3 cache on a low-end system?

A

Probably not, L3 is found on High-End systems and Servers.

31
Q

What does SCSI stand for, and what is its purpose?

A

Small Computer System Interface is used to connect devices like hard drives or tape drives to a computer.

32
Q

What is the minimum number of drives for a RAID-0 configuration?

A

2 Drives.

33
Q

Which level of RAID would offer the Highest Performance with no data protection of any kind?

A

RAID-0

34
Q

In the context of RAID, what is Parity?

A

The ability to detect data errors.

35
Q

In the context of RAID, what is Striping?

A

The ability to write data across multiple drives.

36
Q

What type of plug is this?

A

HDMI: High Definition Multimedia Interface

37
Q

What type of plug is this?

A

DVI: Digital Visual Interface

38
Q

What type of plug is this?

A

DB-15 (sometimes refered to as VGA)

39
Q

What type of Interface does this symbol belong to?

A

USB: Universal Serial Bus

Hardware (11 decks)

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