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Computer Architecture Ch 1 > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

A computer case for any type of computer is sometimes called the ___________________.

A

Chassis

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2
Q

What is the purpose of the computer case?

A

It houses the power supply, motherboard, processor, memory modules, expansion cards, hard drive, optical drive, and other drives.

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3
Q

What are the different types of computer cases?

A
  1. Tower cases
  2. Desktop cases
  3. All-in-one cases
  4. Mobile cases
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4
Q

What is a tower case?

A

A computer case that sits upright; it can be as high as two feet and has room for several drives.

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5
Q

What is a desktop case?

A

A computer case that lies flat and sometimes serves double-duty as a monitor stand.

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6
Q

What is an all-in-one computer case?

A

A computer case that is used with all-in-one computers.

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7
Q

What is a mobile computer case?

A

A computer case that is used with laptops and tablets.

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8
Q

What is a loopback plug used for?

A

It’s used to test a network port in a computer or other device to make sure the port is working. It might also test the throughput or speed of the port.

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9
Q

What is step 1 of opening the computer case?

A

Back up important data.

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10
Q

What is step 2 of opening the computer case?

A

Power down the system and unplug it. Unplug other peripherals as well.

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11
Q

What is step 3 of opening the computer case?

A

Press and hold the power button for 3 seconds. This will drain the power supply.

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12
Q

What is step 4 of opening the computer case?

A

Have a plastic bag or cup handy to hold screws.

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13
Q

What is step 5 of opening the computer case?

A

Open the case cover
• Some cases require you to remove the faceplate first
• Remove a side panel
• Locate the screws or clips that hold the side panel in place and remove

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14
Q

What is step 6 of opening the computer case?

A

Clip your ESD strap to the side of the computer case.

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15
Q

After the computer case is open, you will see the following 3 main components:

A
  • Power supply
  • Motherboard
  • Drives
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16
Q

How can you tell the purpose of each cable in a computer case?

A

Follow cables from motherboard to the component to know the purpose of each cable.

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17
Q

What are internal components?

A

The main components installed in a computer case.

18
Q

What are the 8 internal components of a computer case?

A
  1. Motherboard
  2. Processor
  3. Cooler
  4. Expansion cards
  5. Memory modules - random access memory (RAM)
  6. Dual inline memory module (DIMM)
  7. Hard drives & other drives
  8. Power supply
19
Q

What is the motherboard?

A

Also called main board, system board, or mobo, it is the largest and most important circuit board in the computer. It contains a socket to hold the processor (CPU).

20
Q

What is the processor?

A

It is what processes data and instructions for the entire system. It generates a lot of heat so a fan and heat sink might be installed on top.

21
Q

What is a heat sink?

A

It consists of metal fins that draw heat away from a component.

22
Q

The fan and heat sink together are called the ______________________.

A

processor cooler

23
Q

All hardware components are either located on the ___________________ or directly or indirectly connected to it because they must all communicate with the CPU.

A

motherboard

24
Q

What are expansion cards?

A

Also called adapter cards, they are a circuit board that provide more ports than those provided by the motherboard.

25
Q

What are Memory modules – random access memory (RAM)?

A

Temporary storage for data and instructions as they are being processed by the CPU.

26
Q

What is the job of a Dual inline memory module (DIMM)?

A

They hold memory modules (RAM).

27
Q

What are hard drives?

A

Permanent storage used to hold data and programs.

28
Q

Where are all drives in a system installed?

A

In a stack of drive bays at the front of the case.

29
Q

What is the power supply?

A

It receives and converts house current so that components inside the case can use it.
• Most come with a dual-voltage selector switch

30
Q

What do dual-voltage selector switches do?

A

They allow switching input voltage from 115V to 220V.

31
Q

What are form factors?

A

Standards that describe the size, shape, screw hole positions, and major features of computer cases, power supplies, and motherboards.

32
Q

What are the 2 form factors used by most desktop and tower computer cases and power supplies?

A
  1. ATX

2. microATX

33
Q

What is ATX (Advanced Technology Extended)?

A
  • Most commonly used form factor today
  • Originally developed by Intel
  • It is an open, nonproprietary industry specification
34
Q

An ATX power supply has a variety of __________________________.

A

Power connectors

35
Q

Power connectors have evolved because ____________________________________.

A

new technologies require more power.

36
Q

What are 4-pin and 8-pin auxiliary connectors used for?

A

Used to provide an additional 12 V of power for

evolving CPUs.

37
Q

How are 24-pin or 20+4-pin P1 connectors used?

A
  • The older 20-pin P1 connector still worked in this connector
  • Supported the new PCI Express (PCIe) slots
38
Q

What are 6-pin and 8-pin PCIe connectors used for?

A

They connect directly to the video card

• Video cards draw the most power in a system

39
Q

What is the microATX (mATX) form factor?

A

It is a major variation of ATX that reduces total cost of a system by:

  • Reducing number of expansion slots on motherboard
  • Reducing power supplied to the board
  • Allowing for a smaller case size
40
Q

What type of connector does microATX (mATX) use?

A

Uses a 24-pin P1 connector

• Not likely to have as many extra wires and connectors as those on the ATX power supply.

41
Q

If removing components, you should do these 2 things:

A
  • Draw a diagram of all cable connections to the motherboard, expansion cards, and drives.
  • Use a felt-tip marker to mark components in order to indicate a cable connection, board placement, orientation, etc.
42
Q

To remove expansion cards, go through the following steps:

A
  • Remove any wire or cable connected to the card
  • Remove the screw holding the card to the case
  • Grasp the card with both hands and remove it by lifting straight up (can also very slightly rock the card from end to end)
  • Don’t put your fingers on edge connectors or touch a chip
    * It is best to store cards in an antistatic bag

Computer Architecture Ch 1 (1 decks)

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