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PE ATAR > Hardware & Operating System > Flashcards

Hardware & Operating System Flashcards

1
Q

What is a peripheral device?

A

A peripheral device is a device that connects to the computer in some way to give a computer additional functionality

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2
Q

True Or False: Peripheral devices are essential for computers to run.

A

False

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3
Q

Give examples of types of peripheral devices?

A

Input
Output
External Storage

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4
Q

Explain what Input is?

A

Sends information to the computer system

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5
Q

Explain what Output is?

A

Sends information from the computer system (to the user)

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6
Q

What is External Storage is?

A

Stores Data

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7
Q

Gives examples of Input, Output, & External Storage respectively?

A

Input = Keyboard, Mouse, Microphone
Output = Monitor, Printer, Speakers
External Storage = External HDD, USB Drive

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8
Q

Explain what a bit is.

A

A bit is the basic unit of data

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9
Q

1000 GBs = ?

A

1 Terabyte

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10
Q

1000 KBs = ?

A

1 Megabyte

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11
Q

1000 MBs = ?

A

1 Gigabyte

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12
Q

1000 bytes = ?

A

1 Kilobyte

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13
Q

An MP3 song is approx. how large?

A

5 MBs

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14
Q

An SD movie is approx. how large?

A

100-500 MBs

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15
Q

A word doc is approx. how large?

A

20+ KBs

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16
Q

A HD movie is approx. how large?

A

1 GB+

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17
Q

A JPEG is approx. how large?

A

<500 KB

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18
Q

A HDD is approx. how large?

A

1TB - 4 TB

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19
Q

A CD is approx. how large?

A

700 MB

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20
Q

A DVD is approx. how large?

A

4 GB

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21
Q

Name all types of computer systems

A
  • Mobile Device
  • Desktop System
  • Server
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22
Q

Define Desktop System?

A

Designed for use at a single location on or near a desk or table due to its size and power requirements (requires many peripherals. )

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23
Q

Define Mobile Device?

A

Any computing device designed principally for portability

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24
Q

Define Server?

A

A device on a network that manages network resources. There are many different types of servers

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25
Q

What are the core components of a computer system?

A
  • CPU
  • RAM
  • HDD
  • Motherboard
  • PSU
26
Q

List one additional component that can be added to a PC?

A

GPU Graphics Processing Unit

27
Q

Explain what a CPU is & what it does?

A

Central Processing Unit

The CPU is known as the brain of the computer. The CPU is responsible for processing instructions.

Measured in ghz (gigahertz)

28
Q

What does a CPU need for it to function properly

29
Q

True Or False: CPU are single, dual, or quad cores?

30
Q

4 cores allows how many tasks at a time

31
Q

True Or False: More cores means the system is usually faster?

32
Q

Finish the sentence
“It’s not about how many cores you are running,”

A

“t’s about which software you are running on them.”

33
Q

Programs have to be specifically developed to take advantage of multiple core processors. This is called?

A

Multi-Threaded Software

34
Q

Identify & explain the 3 components that make up the CPU?

A
  • Control Unit = directs or coordinates the operations of the processor
  • Arithmetic Logic Unit = performs the arithmetic and logic operation for the CPU
  • Register = random access memory used by the processor for fast access to instructions or calculations
35
Q

What is RAM what does it do?

A

Is Random Access Memory it is very fast memory, used for quick access. Programs currently in use are stored on the RAM

36
Q

True Or False: RAM is non-volatile?

37
Q

True Or False: RAM is primary memory?

38
Q

RAM has a low capacity usually how small?

39
Q

True Or False: RAM is permanent storage?

40
Q

What is HDD & what does it do?

A

Hard Disk Drive it is very slower memory, because it is mechanical (moving parts)

41
Q

True Or False: HDD is non-volatile?

42
Q

True Or False: HDD is Primary Memory?

43
Q

HDD has a high capacity, usually how large?

44
Q

True Or False: HDD is permanent storage?

45
Q

What is SSD & what does it do?

A

Solid State Drive, A SSD a type of mass storage device similar to a hard disk drive (HDD). (Secondary, Permanent storage)

46
Q

SDD is not mechanical this allows what?

A

So the speed that it can read and write data is much faster

47
Q

The storage size of a SSD is what?

48
Q

True Or False: SSD is both secondary & permanent storage?

49
Q

SSD are often used to store the what?

A

OS or other frequent applications

50
Q

What is the Motherboard?

A

The main circuit board of the computer.
All of the other hardware components attach to the motherboard

51
Q

What is the Power Supply Unit?

A

The PSU supplies power to the computer
Measured in Watts (650W)

52
Q

What is the GPU & what does it do?

A

Graphical Processor Unit. This contains a processor dedicated for graphical related tasks

53
Q

Explain what integrated graphics are?

A

Onboard basic graphics built into CPU’s

54
Q

For gaming/video editing what special GPU are you going to need?

A

GFX card (video card)

55
Q

Describe the Operating System?

A

The operating system is the most important software program that runs on a computer, an OS manages the computers software and hardware. It also allows the user to communicate with the computer

56
Q

True Or False: You don’t need a OS for a computer system?

57
Q

List some examples of OS systems?

A
  • Microsoft Windows
  • Mac OS System
  • Linux
58
Q

List some Mobile OS systems?

A
  • iOS
  • Android
59
Q

List & describe all functions of the OS System?

A

-Provision of User Interface: Provides the interface between the user and the software and hardware. (allows for interaction)
- Management of system resources: Provides the routines and tasks that manage the resources used by the hardware and software
- Management of security and access rights: provides security to system resources (eg – windows defender)
- Running system and user applications: Provides the scheduling, resources and routines that allow the installation and running of user applications.

60
Q

How many bits make up a byte?

PE ATAR (11 decks)

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