Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Mathematics in the Modern World > Module 2. The Beauty of Codes > Flashcards

Module 2. The Beauty of Codes Flashcards

1
Q

symbolic way to represent information

A

code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

in qualitative inquiry, a code is most often a __ or a __ __

A
  • word
  • short phrase
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Seven (7) Roman numeral symbols that have a fixed integer value

A

I, V, X, L, C, D, M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Used by ancient Egyptians in their writing system

A

hieroglyphics (or sacred writings)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  • basically a logographic system
  • one of the world’s great writing systems
A

Chinese writing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

each graph or character corresponds to one meaningful unit of the language, not directly to a unit of thought

A

logographic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

number system that uses only two values to represent codes and data

A

binary system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

two values of the binary system

A

0,1 : off, on

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

binary system is the foundation on which __ __ is built

A

digital technology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How do you convert a decimal number to binary

A

Remainder method

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MSB

A

Most significant bit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where is the MSB located

A

Bottom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

LSB

A

Least significant bit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where is the LSB located

A

Top

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

An optical, machine-readable, representation of data

A

Barcode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do traditional barcodes systematically represent data

A

Varying widths and spacings of parallel lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Traditional barcodes may be referred to as

A

Linear or one-dimensional (1D)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Two-dimensional variants of barcodes were developed using what kind of patterns

A
  • Rectangles
  • Dots
  • Hexagons
  • Other geometric patterns
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Two-dimensional variants of barcodes are called

A

Matrix codes or 2D barcodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Initially, barcodes were scanned by what

A

barcode readers (special optical scanners)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Who invented barcodes

A
  • Norman Joseph Woodland
  • Bernard Silver
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

When was the barcode patented

A

1952 in the United States

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Task that barcodes became almost universal

A

Automate supermarket checkout systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The use of barcodes spread to many other tasks that are generically referred to as

A

Automatic Identification and Data Capture (AIDC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

UPC

A

Universal Product Code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Where was the first UPC barcode found

A

Pack of Wrigley Company’s Juicy Fruit Gum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

When was the first UPC barcode placed

A

June 26, 1974

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

A specific type of 2D barcode that have recently become very popular

A

Quick Response (QR) codes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Barcoding eliminates the occurrence of __ __ since through the use of bar scanner, transmitting data is fast and reliable and takes lesser time than entering them manually

A

Human error

30
Q

Used to identify individual items, specific products, people, account or documents

A

Identification numbers

31
Q

Single positive number or a string of digits, sometimes separated by dashes or spaces

A

Numeric identification number

32
Q

Example of a numeric identification number

A

Tax Identification Number (TIN)

33
Q

Has a string of digits, letters or/and even other symbols

A

Alphanumeric identification number

34
Q

Example of alphanumeric identification number

A

Vehicle plate

35
Q

Used to verify errors on identification numbers

A

Check digit or check sum

36
Q

12-digit identification number of a retail item

A

Universal Product Code (UPC)

37
Q

Where do manufacturers apply to join the UPC system

A

Uniform Code Council (UCC)

38
Q

UPC is referred to as ___ in the United States

A

UPC-A

39
Q

d1: 0

A

General groceries

40
Q

d1: 2

A

Meat products

41
Q

d1: 3

A

Drug and health products

42
Q

d1: 4

A

Non-food items

43
Q

d1: 5

A

Coupons

44
Q

d1: 6,7

A

Other items

45
Q

d1: 1,8,9

A

Reserved for future use

46
Q

Second set of the UPC identifies the

A

Manufacturer

47
Q

Second set of the UPC consists of how many digits

A

Five digits

48
Q

The third set of the UPC consists how many digits

A

Five digits

49
Q

The third set of the UPC identifies the

A

Product

50
Q

d12

A

Check digit

51
Q

Valid barcode

A

Divisible by 10

52
Q

Numbering system used in global trade to identify a specific retail product type, in a specific packaging configuration, from a specific manufacturer

A

International Article Number (aka European Article Number or EAN)

53
Q

The EAN numbering system includes what

A

EAN-2
EAN-5
EAN-8
EAN-13

54
Q

Most commonly used EAN code

A

EAN-13 code

55
Q

UPC-A format barcodes have in tradition been used in

A

the USA

56
Q

EAN-13 format barcodes have been used

A

Throughout the rest of the world

57
Q

What does the EAN-13 barcode consist

A

Country code, manufacturer code, product code, and check digit, respectively

58
Q

What is our country code

A

480

59
Q

What are the digits being multipled by 3 in UPC-A

A

Odd-numbered digits

60
Q

What are the digits being multipled by 3 in the EAN-13

A

Even-numbered digits

61
Q

Who invented the QR code

A

Denso-Wave, Toyota subsidiary

62
Q

When was the QR code invented

A

1994

63
Q

Why was the QR code invented

A

To track vehicles during manufacturing process

64
Q

The QR code is detected as a _______ by a _______

A
  • As a Two-dimensional digital image
  • By a semi-conductor image sensor
65
Q

What does the sensor locate in the QR code

A
  • Three distinctive squares at the corners of the image
  • uses a smaller square near the 4th corner to normalize the image
66
Q

The higher the error correction level, the

A

Less storage capacity

67
Q

Level: Low
No. of codewords that can be restored:?

A

7

68
Q

Level: Medium
No. of codewords that can be restored:?

A

15

69
Q

Level: Quartile
No. of codewords that can be restored:?

A

25

70
Q

Level: High
No. of codewords that can be restored:?

A

30

Mathematics in the Modern World (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions