hardware Flashcards

GLOSSARY

1
Q

intellectual property?

A

the property of your mind

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2
Q

APA?

A
  • American Psychological Association
  • type of referencing, using in-text citation and end-text referencing
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3
Q

in-text citation?

A
  • after using a direct quote or another persons idea/works you must include the author, page number, year
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4
Q

hardware?

A

the physical components of a computing system

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5
Q

software?

A

the programs and operating info used in and to run a computer

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6
Q

peripherals?

A

external add-on devices used to transfer info in and out of a computer

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7
Q

input device?

A

device that sends info into the computer, to be processed

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8
Q

output device?

A

a device that displays the processed info

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9
Q

processing?

A

the transformation of the input data to a more meaningful form in the CPU

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10
Q

primary storage?

A

volatile memory used by the CPU

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11
Q

secondary storage?

A

non-volatile storage units
slowest form
cannot be processed directly by the CPU

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12
Q

DRAM?

A

Dynamic RAM
type of ram that is continuously refreshed, resulting in better performance

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13
Q

types of primary storage?

A

cache
ram
registers

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14
Q

types of secondary storage?

A

flash
SSD
HDD
optical disk

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15
Q

volatility?

A

volatile - does not keep data after shutting down
non-volatile - keeps data after shutting down

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16
Q

clock cycle speed?

A
  • speed at which the CPU can execute instructions
  • measured in GHz
17
Q

control unit?

A
  • subcomponent of the cpu that manages the computers operations
  • directs systems
  • communicates to ALU
  • co ordinates activites of other units, peripherals and axiliary storage
18
Q

ALU?

A

circit that performs arithmetic and logic operations
- cu tells alu what operation to perform
- alu executes instructions

19
Q

operating system?

A
  • processes start up instructions, communicates between software
  • manages UI, CPU, memory, storage, security