Test Unit 4 A Computer in Your Head

Student "FULL" Name

ID NUMBER

Date

Period:

• PERIOD 1
• PERIOD 4
• PERIOD 6
• PERIOD 8
• PERIOD 9

1. According to “A Computer in Your Head?,” how do both brains and computers send information?

• A. through language
• B. through nerve cells
• C. through electrical signals
• D. through on and off switches

2. Which of the following describes the process by which brains and computers receive energy, according to “A Computer in Your Head?”

• A. Computers get energy from synapses, while brains get energy from receptors.
• B. Computers receive more energy the more they are used, while brains receive more energy through sleep.
• C. Computers get energy by plugging into a source of electricity, while brains get energy from glucose in food.
• D. Computers receive energy and then store it for long periods of time, while brains receive energy from neurons.

3. According to “A Computer in Your Head?,” why are some messages not sent through the brain?

• A. Synapses are sometimes too far apart to allow a message to continue.
• B. When a neuron is turned on, it either sends electrical signals or it does not.
• C. If the synapses and receptors in the brain do not match up, the electrical switch turns off and the message stops.
• D. Neurons may get thousands of messages at once, and the total signal for a message must exceed a certain level before it can continue in the brain.

4. Based on the information in “A Computer in Your Head?,” which of the following is an example of a function that a brain can perform, but a computer cannot?

• A. rewire itself
• B. store memories
• C. respond to signals
• D. use energy to recharge

Tags

CCSS.RI. 9-10.7

CCSS.RI.2.9

CCSS.RI.8.7

CCSS.RI.K.9

CCSS.RL.K.6

5. If a satellite is sent into space to transmit signals, what is the satellite doing?

• A. sorting data
• B. sending messages
• C. gathering evidence
• D. interpreting information

6. Which of these is the best synonym for monitor, based on the following sentence? Laura logged on to the school website to monitor her son’s progress in math class.

• A. check
• B. report
• C. change
• D. question

Tags

CCSS.RI.4.4

CCSS.RI.6.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.6.4