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Khan Academy – Computers Exam Questions and Answers A truth table shows the output values for a logic gate based on a set of input values. Consider the following truth table: 0 0 0 0 1 1 1 0 1 1 1 1 Which logic gate has a truth table that looks like that table? - ANSWER-OR Gate A compute...

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Khan Academy – Computers Exam

Questions and Answers


A truth table shows the output values for a logic gate based on a set of input values.


Consider the following truth table:


000


011


101


111


Which logic gate has a truth table that looks like that table? - ANSWER✔✔-OR Gate


A computer is built up from layers of components. The lowest level components are responsible for tiny

computations, and the highest level components are responsible for sophisticated multi-step

computations.


Which of these lists correctly sorts components from high-level to low-level? - ANSWER✔✔-computer,

integrated circuit, logic gate, transistor


Jermaine is storing files on his laptop for a project about his family ancestry.


Which of these lists correctly sorts the files from largest size to smallest size? - ANSWER✔✔-

"reunion.mov" (15 GB)


"interview.mov" (1.2 GB)

Copyright ©Stuvia International BV 2010-2024 Page 1/11

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"grandfather.jpg" (2 MB)


"grandma_bw.jpg" (900 KB)


"familytree.ged" (32 KB)


"notes.txt" (450 B)


The diagram below shows a circuit with three gates, where the output from two OR gates are sent into a

final AND gate. The circuit has four inputs (A, B, C, D), two for each OR gate.


If the final output is 000, what is a possible state of the inputs A/B/C/D? - ANSWER✔✔-A = 0, B = 1, C =

0, D = 0


The Apple iPhone includes a settings menu where you can toggle various accessibility options on or off:


What is the minimum number of bits that can represent those 2 options - ANSWER✔✔-2


When we're working with logic gates, we use multiple terms to describe the input and output values.


For each of the terms below, enter the corresponding binary value (0 or 1):


Term Binary value


"on"


"off"


"low"


"high"


"false"


"true" - ANSWER✔✔-Term Binary value


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