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Studey Guide 1-4 Review Flashcards | StudBud
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Studey Guide 1-4 Review
Studey Guide 1-4 Review
32 terms
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Questions
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1
What is the branch of mathmatics that deals with true and false values?
boo algebra
boolean algebra
algebra 1
2
Completed in 1944, it was one of the largest electro-mechanical computers built ___
Grace Hopper
Harvard Mark 1
Dead moth
a didode
3
when adding 1+1 in binary, you need too ___
find the soultion
you carry the 1
keep it the same
you cerrie the 2
4
Militaries were among the first to apply computing to complex problems such as.....
range tables
difference tables
5
The electrically-controlled mechanical switches used in early computers were called ____
Alan Turning
facuet
Transitor
relays
6
What is the system of notation that represents information using two states?
Binary
Binery
Bicycle
idk
7
Which number system has ten possible values, 0 through 9, for a single digit?
Bit
Base ten notation
Binary
8
In the early days, a "computer" was a......
idk.
a calculator
yo mama
a person who does calculations
9
What was the earliest recognized device for computing?
Step Reckoner
Abacus
Punch Cards
Astrolobe
10
In 1847, who formalized a "Mathematical Analysis of Logic"?
George Washington
George Yo Mama
George Boolean
11
You can think of a relay like a water facuet. The control wire is like the____
faucet handle
Noise cancel
1 minute
back and forth
12
For 8-bit numbers, the lowest value is 0 and highest value is _____
255
155
444
256
13
Charles Babbage proposed a mechanical device in 1822 called the.....
Difference Engine
Punch Cards
14
One faulty relay on the Harvard Mark I would need replacing every_______
rplacing 2 times a month
every year
need replacing every day
one minute everyday
15
What are the three fundamental operations in Boolean Algebra?
idek tbh
not, and, or
yes, no, maybe
16
A good relay in the 1940's might be able flick back and forth _____
first vaccum
a dead moth
Lots of time in a second
Hopper
17
For the Harvard Mark I, complex operations, like a trigonmetric function, could take ____
10 minutes
Months
Took over a minute
A few days
18
Where and when was the abacus invented?
United States in 1986
Mesopotamia in 2500 BCE
China in 100 BCE
Mesopotamia in 2050
19
A unit of digital information that consists of eight bits is called_______
bite
bte
bit
byte
20
Who said, "When anything went wrong with a computer,we said it had bugs in it."?
Snkae Virus
Spider
Grass Hopper
Grace Hopper
21
The decimal system is known as ____ ____
carry the 1
Decimal notation
Decimal names
sign
22
In computers, an "on" state, when electricity is flowing, represents...
false
on
true
23
Which number system uses "1" and "0" to represent "true" and "false", respectively?
909
255
byte
Binary
24
Who was Ada Lovelace?
English Mathmematician
Considered World's First Programmer
25
The astrolabe enabled sailors to calculate their latitude at sea.
True
False
26
With a single transistor, if we turn the input on....
the output is on
the output is off
27
The binary number 101, when converted to base-10 is ______
6
10
5
2
28
Each of the binary digits 1 or 0 is called___
Bit
k9
call
bite
29
To meet demand for his machines, Hollerith founded what?
IBM
Punch Cards
Computer Science
30
A NOT takes a single Boolean value, either true or false, and....
converts it
allows it to go
negates it
31
Current flows through a transistor when electricity is applied to the....
faucet
binary
wire
control wire
32
What type of "bug" was pulled from the Havard Mark II in September 1947?
a dead moth
Roach
bee
wasp
