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Evgen [1.6K]
3 years ago
8

By the 1990s, ______________ technology enabled one person operating a desktop computer to control most—or even all—of these fun

ctions. New photooptical printing machines used computer-controlled lasers to photosensitize printing drums, making short-run and even individualized full-color press sheets possible.
A. Photographic

B. Offset lithographic

C. Laser

D. Digital
Computers and Technology
2 answers:
snow_lady [41]3 years ago
8 0

Answer: D. Digital

Explanation:

By the 90s many changes were been seen in the global market where we had the digital technology glowing and the flourishing of digital devices which enabled a person to operate desktop computer and many others stuffs

one such contribution of digital technology can be seen in the field of printing machines where we had photooptical printing machines. These machines uses the energy of the photons to allow a beam of light to strike a material but as the digital age started it allowed using computer controlled lasers to photosensitize  printing drums whereby static electricity is laid on the surface of the drum. This technology enables full color press sheets possible.

anastassius [24]3 years ago
7 0

Answer:

The answer is digital technology.

Explanation:

A digital technology is defined as "the branch of scientific or engineering knowledge that deals with the creation and practical use of digital or computarized devices, methods, systems" according to Dictionary dot com. It is also any device or system created using this knowledge.

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Answer:

 The solution code is written in Python 3

  1. digits = input("Enter 9 digits: ")
  2. multiplier = 1
  3. total = 0
  4. for x in digits:
  5.    total += int(x) * multiplier  
  6.    multiplier += 1
  7. checksum = total % 11  
  8. if(checksum == 10):
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Explanation:

Firstly, use input function to get user input for 9 digits (Line 1)

Next we can use a for-loop to estimate the summation (d1 * 1 + d2 * 2 + d3 * 3 + d4 * 4 + d5 * 5+ d6 * 6 + d7 * 7 + d8 * 8 + d9 * 9) ( Line 6-8)

Then only apply % operator to get the remainder of total and get the checksum (Line 10)

Next create if and else statement to print the digits string joined with X if checksum is 10 else join digits string with checksum value (Line 12 -15)

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