Chapter 6 Flashcards

1
Q

Decimal Notation

A

-Base 10 place value number system
-Each single digit can be 0 to 9
-Each column is worth ten times the previous
-12=101+21

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2
Q

Binary Notation

A

-Base 2 place value number system
-Each single digit can be 0 or 1
-Each column is worth two times the previous
-These values are easy to represent as the on/off states of electronic transistors

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3
Q

Hexadecimal Notation

A

Base 16 place value number system
-Each single digit can be 0 to 9,A,B,C,E,F
-Each column is worth 16 times the previous
-Used to represent large values more efficiently than binary

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4
Q

Bits and Bytes

A

-A bit stores the value of a single binary digit (1 or 0)
-A byte stores the value of eight bits

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5
Q

Throughput Units

A

Transfer rates or “speed”
-Kbps,Mbps,Gbps,Tbps (bits per second)

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6
Q

Processing speed units

A

-Components work to a clock performing operations on a time cycle
-1 hertz (1hz) is one cycle per second
-Speed and throughput are often different

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7
Q

Integers

A

Whole numbers

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8
Q

Floating-point numbers

A

decimal fractions

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9
Q

Boolean values

A

A special numberic data type indicating that something is either TRUE or FALSE (with a 1 or 0)

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10
Q

Strings

A

a collection of text characters

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11
Q

ASII (American Standard Code for information interchange)

A

Limited storage means restricted to basic alphanumeric s and a few symbols

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12
Q

Unicode

A

Flexible system for representing international alphabets

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13
Q

Access Controls

A

-Permissions
-Usage restrictions
-Data encryption
-Firewalls

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14
Q

Copyright

A

-Automatically granted to author
-Applies to whole works not ideas

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15
Q

Trademark

A

-A company’s name and logo are protected if distinctive
-Companies can apply to register their trademarks

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16
Q

Patent

A

-Legal protection for an invention or design
-Must be original, useful, and distinctive
-Must be applied for in different jurisdictions