The Harvard College Observatory Computers from C

question 18

Multiple Choice

The Harvard College Observatory Computers from c. 1880 into the early 20th century were:

• A)the first digital computers.
• B)not much different than cash registers.
• C)functionally similar to the modern 4-function calculator.
• D)a group of women who made important contributions to astronomy.
• E)mechanically operated adding machines.

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Definitions:

Neurotransmitter Serotonin

Serotonin is a neurotransmitter in the brain involved in regulating mood, appetite, sleep, memory, and learning; imbalances are linked to depression and other mood disorders.

Stressful Life Events

Significant occurrences in a person's life that disrupt the typical flow of daily life and can have profound effects on psychological and physiological well-being.

Professional Help

Assistance provided by individuals with specialized training and credentials, often in healthcare or counseling professionals, to address physical, mental, or emotional issues.

Lethargic

describes a state of sluggishness, fatigue, or lack of energy, often resulting from illness, lack of sleep, or other factors.