COB 204 TEST 1 REVIEW QUESTIONS &
WELL DETAILED ANSWERS|| GRADED
A+|| LATEST UPDATE 2026
The Industrial Revolution -CORRECTANSWER 1700s - driven by the development of
the steam engine
Late 1800s - the telephone, airplane, light bulb, and gramophone were invented
1980s - e ergence of person computers and the internet
Present day - 3D printing, robotics, artificial intelligence
Digital Revolution -CORRECTANSWER drove the conversion from mechanical/analog
to digital devices, enabling new platforms, networks, and information systems
Bell's Law -CORRECTANSWER new computer classes form roughly each decade →
new industries
Result... The Information Age
Information Age -CORRECTANSWER a period of time where information-including its
production, distribution, and control-is the primary driver of the economy
Moore's Law -CORRECTANSWER the number of transistors per square inch on an
integrated chip doubles every 18 months
, Metcalfe's Law -CORRECTANSWER the value of a network is equal to the square of
the number of users connected to it
Nielsen's Law -CORRECTANSWER network connection speeds for high-end users will
increase by 50% per year
Kryder's Law -CORRECTANSWER the storage density on magnetic disks is increasing
at an exponential rate
Data -CORRECTANSWER recorded facts or figures
Information -CORRECTANSWER data presented in a meaningful context
Knowledge -CORRECTANSWER information analyzed and interpreted to produce
insights and explain patterns
Essential Characteristics of Data -CORRECTANSWER Accurate: is it right?
Timely: is it recent?
Relevant: does it matter?
Sufficient: is it too much or too little?
Cost Effective: is it worth it?
WELL DETAILED ANSWERS|| GRADED
A+|| LATEST UPDATE 2026
The Industrial Revolution -CORRECTANSWER 1700s - driven by the development of
the steam engine
Late 1800s - the telephone, airplane, light bulb, and gramophone were invented
1980s - e ergence of person computers and the internet
Present day - 3D printing, robotics, artificial intelligence
Digital Revolution -CORRECTANSWER drove the conversion from mechanical/analog
to digital devices, enabling new platforms, networks, and information systems
Bell's Law -CORRECTANSWER new computer classes form roughly each decade →
new industries
Result... The Information Age
Information Age -CORRECTANSWER a period of time where information-including its
production, distribution, and control-is the primary driver of the economy
Moore's Law -CORRECTANSWER the number of transistors per square inch on an
integrated chip doubles every 18 months
, Metcalfe's Law -CORRECTANSWER the value of a network is equal to the square of
the number of users connected to it
Nielsen's Law -CORRECTANSWER network connection speeds for high-end users will
increase by 50% per year
Kryder's Law -CORRECTANSWER the storage density on magnetic disks is increasing
at an exponential rate
Data -CORRECTANSWER recorded facts or figures
Information -CORRECTANSWER data presented in a meaningful context
Knowledge -CORRECTANSWER information analyzed and interpreted to produce
insights and explain patterns
Essential Characteristics of Data -CORRECTANSWER Accurate: is it right?
Timely: is it recent?
Relevant: does it matter?
Sufficient: is it too much or too little?
Cost Effective: is it worth it?