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MIS Test 1 > Lecture #6 Hardware > Flashcards

Lecture #6 Hardware Flashcards

1
Q

How much of AAPL’s business is hardware?

A

75%

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2
Q

What is a bit?

A

a 0 or 1/ a binary digit/0 is open 1 is closed switch

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3
Q

what is a byte

A

8 bits or about 1 character

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4
Q

what is a kilobyte?

A

1000 bytes

one typed pg is 2kb, one digital book is 500-800kb

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5
Q

what is a megabyte?

A

1 million bytes

1 photo is 1.3 MB, 1 MP3 song is 3MB, 1 cd is 700 MB

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6
Q

what is a gigabyte?

A

1 billion bytes

a dvd movie is 4.7 gb, a blueray is 25 GB

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7
Q

What are the 2statements of Moore’s Law?

A

Book says: speed of a chip doubles every 18 months (faster)

Rock says also:chip performance per dollar doubles every 18 months(cheaper)

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8
Q

what are 3 extensions of moore’s law

A

processing speed, storage capacity, and communication speed all continue to increase

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9
Q

What is the motherboard

A

the ting that every part connects to

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10
Q

what is the cpu

A

the central processing unit that runs the software; selects instructions, processes them, performs calculations and stores them in the memory

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11
Q

what is the ram

A

random access memory that hold the data you are currently processing

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12
Q

what is the video card

A

created images that appear on the monitor

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13
Q

Hard disk

A

holds information (long term)

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14
Q

Optical Drive

A

reads disks

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15
Q

Difference between volatile & Nonvolatile memory

A

volatile needs power (RAM), non volatile ca store without power, (Hard disk/drive)

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16
Q

What is flash memory and what makes it so great

A

it is a hard drive with no moving parts. making it nonvolatile and solid state

17
Q

What is the HDD

A

Hard disk drive

18
Q

What Is SDD

A

flash memory

19
Q

What is IGC and do you want it?

A

integrated graphics card, not as good as a DGC or dedicated graphics card which can speed up different computer games

20
Q

How is the speed of a harddrive measured

A

RPMs you want higher rpms

21
Q

What is MTBF

A

Mean TIme Between Failure. Most of the effort of IT is keeping your existing mess running

22
Q

What is the theoretical 6th Wave of computing?

A

QUANTUM computing. where bits are ones and zeros at the same time (QUIBITS)

23
Q

What is the 6th sense

A

is the internet sense. computer aided everything; wearables to the extreme

24
Q

What is IOT and another name for it

A

Internet of Things, Machine 2 Machine communication

25
Q

What are three things that will eventually stop Moore’s Law

A

size heat power

MIS Test 1 (10 decks)

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