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How Computers Calculate-Crash Course in Computer Science
How Computers Calculate-Crash Course in Computer Science
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Crash course computer science
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
What is a megabyte?
1,000,000 kilobytes
1,000,000 bits
1,024 bytes
1,000,000 bytes
2
What is the branch of mathematics that deals with true and false values?
Pythagorean theory
Trigonometry
Boolean Algebra
Calculus
3
Released in 1970, this is the most famous ALU ever.
Intel 74181
IBM 680
AMD 3264
Intel 1970
4
How does Casper feel about chicken biscuits on a chicken farm?
He can't stand it
He doesn't care
He feels good
No one knows
5
In computer technology, an "on" state represents true, an "off" state represents false.
True
False
6
What is the definition of the word "binary?"
Three or more
Input and output
Of two states
Half and whole
7
ASCII allowed computers built by different companies to exchange data. This ability is called
Open architecture
Interoperability
Unicode
Standard
8
Which logic gate is represented by this symbol?
XOR
AND
NOT
OR
9
ALU stands for...
Arithmetic and Logic Unit
Aragorn and Legolas Unit
Addition and Logic Unit
Arithmetic and Logic Unicode
10
Who used a 5-bit sequence in the 1600s to send secret messages with the English alphabet?
Frances Beacon
Gottfried Liebniz
Francis Bacon
George Boole
11
What is the correct explanation of a how a NOT gate works?
Input is on, output is on
Input is off, output is on
Input is off, output is off
Input is on, output is off
12
Each binary digit 1 or 0 is called a...
Bite
Byte
Bit
Kilobit
13
Which logic gate is represented by this symbol?
XOR
OR
NOT
AND
14
This unit of data measurement equals one billion bytes.
Megabyte
Petabyte
Trilobyte
Gigabyte
15
When was ASCII invented?
1954
1970
1963
1968
16
When the sum of the two numbers is too large to fit into eight bits. This is called...
An overflow
An overstack
Mojibake
A unicode
17
ASCII was a 7-bit code that could store how many different values?
128
32
64
255
18
Instead of "trues" and "falses," we can represent binary as...
Halves and wholes
Base 10 numbers
Ones and zeroes
Powers of 10
19
We typically use a Base 10 number system (0-9). What number system is binary?
Base 2
Base 1
Base 4
Base 0
20
What does this symbol represent?
AND logic gate
CPU
ALU
NOT logic gate
21
The ALU is the mathematical brain of a computer.
False
True
22
Which logic gate is represented by this symbol?
OR
AND
NOT
IF
23
Under the hood of all computing technology, what is the most important thing to remember?
There are enough codes for every language
Interoperability
Everything is relative
Everything is long sequences of bits
24
What is a kilobyte?
1,000 bits
1,000 bytes
1,024 bytes
100 bytes
25
8 bits is such a common size in computing it has its own special word:
Bitten
Bots
Bits
Byte
26
What does "ASCII" stand for?
Always Stay Cool In Intensity
American Standard Code for Information Interchange
African Simple Code for Information Implementation
American Simple Code for Important Information
27
What year was Unicode invented?
1968
1974
1970
1992
28
What are the three
fundamental
operations in Boolean Algebra?
AND, XOR, IF
IF, CAN, NOT
AND, NOT, OR
THEN, AND, IF
29
How does an AND logic gate work?
Two inputs, one output
One input, two outputs
Two inputs, two outputs
Two inputs, two outputs
30
Who was Boolean Algebra named after?
John Boole
George Boole
James Boolehouse
Jed Liverboole
31
ASCII only worked in English so another format was developed to unite them all. It was called..
Omnicron
Unicron
Omnicode
Unicode
32
An OR statement can be true if both inputs are true.
False
True
33
Why was the Intel 74181 so important?
The first ALU made by Intel
The first complete ALU to fit inside one chip
The first ALU ever created
The first ALU that could multiply and divide
34
How would you represent the base 10 number 147 in binary?
10010011
01100011
11110011
00001100
35
How does an OR logic gate function?
Both inputs have to be true
Only one input has to be true for the output to be true
I have no clue
One input, two outputs
