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System Tech Flashcards

(19 cards)

1
Q

What is the function of the CPU?

A

It processes instructions and performs calculations — the “brain” of the computer.

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2
Q

What is the difference between HDD and SSD?

A

HDD = slower, mechanical; SSD = faster, no moving parts.

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3
Q

What does RAM do?

A

Temporarily stores data for programs while the computer is running.

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4
Q

Give 2 examples of output devices.

A

Monitor, printer, speakers.

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5
Q

What is system software?

A

Software that manages hardware and enables application software to run.

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6
Q

What are device drivers?

A

Software that helps the OS communicate with hardware devices.

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7
Q

Name 2 utility programs.

A

Antivirus software, disk cleanup tool.

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8
Q

What is the role of the operating system?

A

It manages hardware, runs applications, and provides a user interface.

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9
Q

How does more RAM improve performance?

A

Allows more programs to run at once without slowing down.

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10
Q

Why is an SSD faster than an HDD?

A

No moving parts — data is accessed electronically instead of mechanically.

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11
Q

What can slow down a computer system?

A

Too many background apps, low RAM, overheating.

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12
Q

What does a NIC do?

A

Connects a computer to a network (wired or wireless).

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13
Q

What’s the purpose of a router?

A

Connects multiple devices to a network and routes internet traffic.

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14
Q

What is cloud computing?

A

Storing and accessing data/apps via the internet.

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15
Q

What is green computing?

A

Using technology in an environmentally friendly way.

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16
Q

What are biometrics?

A

Security that uses physical features — like fingerprints or facial recognition.

17
Q

Why are backups important?

A

They protect data in case of loss or damage.

18
Q

What does antivirus software do?

A

Scans for and removes malware.

19
Q

Why should you update software regularly?

A

To fix bugs and protect against security threats.