Denary is numbers humans use in every day life
  • True 
  • False
Denary uses 11 different numbers
  • True
  • False
Binary uses electrical signals
  • True
  • False
Binary uses 1’s & 0’s to represent data
  • True
  • False
What is 12 in binary?
  • 0010
  • 1010
  • 1100
  • 1111
What is 3 in binary?
  • 0100
  • 0001
  • 0101
  • 0011
Convert 128 to binary
  • 10000000
  • 01111110
  • 10000001
  • 11001100
Convert 11111111 to decimal
  • 255
  • 245
  • 235
  • 225
Which of these are the correct place values for binary?
  • 128,64,32,16,8,4,2,1
  • 128, 68,34,12,6,4,2,1
  • 1,0
  • 0,1
What is the point of binary?
  • It represents how computers interpret electrical signals
  • Because we like to make you do extra maths ;-D
  • For the lulz
  • Because it describes star systems
Computers can only understand 0s and 1s.
  • True
  • False
Binary is made up of which numbers 
  • 3 and 4.
  • 2 and 3.
  • 1 and 2.
  • 0 and 1.
Binary is:
  • a system using the digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
  • the most common format for text files in computers and on the Internet
What are the only two numbers you can use in binary?
  • 0 and 1
  • 1 and 2
  • 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
  • 1, 2, 4, 8, 16
What kind of data does a computer represent with binary?
  • numbers
  • letters
  • pictures
  • all of the above
What kind of 'base' system is binary known as?
  • Base 12
  • Base 8
  • Base 2
  • Base 10
Each 1 and 0 represented in binary is called a bit
  • True
  • False
A bit is 
  • a numerical label assigned to each device.
  • the smallest unit of data in a computer.
  • a keyboarding term for typing.
  • is a numeral system made up of 16 symbols.
What is 23 in binary
  • 10101
  • 10110
  • 10111
  • 11000
What am I?The computer's main circuit board
  • CPU
  • RAM
  • Power Supply Unit
  • Motherboard
What am I?I convert the power from the wall to the computer
  • CPU
  • Motherboard
  • Power Supply Unit
  • RAM
What am I?I store all the information that is currently in use.
  • RAM
  • ROM
  • Hard Drive
What am I? I store the operating instructions.
  • RAM
  • ROM
  • Hard Drive
What am I?I store most of your data such as your files, pictures and videos!
  • RAM
  • ROM
  • Hard Drive
Which of these is an input device?
  • Monitor
  • Keyboard
  • USB Stick
Which of these is an output device?
  • Monitor
  • Keyboard
  • USB Stick
Binary has how many digits?
  • 1
  • 2
  • 10
Binary is made up of what?
  • Just 0's
  • Just 1's
  • 0's and 1's
  • Numbers?
What do computer's understand?
  • Binary
  • Circuits
  • I don't know
What is binary 0001 in our maths?
cs-2 sb-1-Binaryimg_no 285.jpg
  • 0
  • 1
  • 2
  • 8
What is binary 0011 in our maths?
cs-2 sb-1-Binaryimg_no 286.jpg
  • 1
  • 2
  • 3
  • 12
What is binary 0100 in our maths?
cs-2 sb-1-Binaryimg_no 287.jpg
  • 1
  • 2
  • 4
  • 8
What is binary 0101 in our maths?
cs-2 sb-1-Binaryimg_no 288.jpg
  • 3
  • 4
  • 5
What is binary 0110 in our maths?
cs-2 sb-1-Binaryimg_no 289.jpg
  • 3
  • 4
  • 5
  • 6
What is binary 0111 in our maths?
cs-2 sb-1-Binaryimg_no 290.jpg
  • 5
  • 6
  • 7
  • 14
What is binary 1 000 in our maths?
cs-2 sb-1-Binaryimg_no 291.jpg
  • 1
  • 2
  • 4
  • 7
  • 8
What is binary 1 0 1 1 in our maths?
cs-2 sb-1-Binaryimg_no 292.jpg
  • 4
  • 8
  • 10
  • 11
How well do you feel you reached our learning outcome?To know how computers store data
  • I am confident on how computers store data
  • I know how computers store data
  • I am unsure how computers store data
  • I didn't understand today's lesson
How well do you feel you reached our learning outcome?To convert between 4-bit binary numbers
  • I can convert between binary and maths confidently.
  • I need some help to convert between binary and maths.
  • I am stuck on converting between binary and maths
  • I didn't understand today's lesson
Which number system uses "1" and "0" to represent "true" and "false", respectively?
cs-2 sb-1-Binaryimg_no 515.jpg
  • binary
  • decimal
  • hexadecimal
  • ASCII
Which number system has ten possible values, 0 through 9, for a single digit?
cs-2 sb-1-Binaryimg_no 516.jpg
  • binary
  • decimal
  • hexadecimal
  • ASCII
The decimal system is also known as ___
cs-2 sb-1-Binaryimg_no 517.jpg
  • base-two notation
  • base-ten notation
  • base-sixteen notation
  • ASCII
The binary number 101, when converted to base-10 is ___
cs-2 sb-1-Binaryimg_no 518.jpg
  • 2
  • 5
  • 10
  • 11
The binary number 100111, when converted to base-10 is ___
cs-2 sb-1-Binaryimg_no 519.jpg
  • 4
  • 23
  • 39
  • 43
The binary number 101010, when converted to base-10 is ___
cs-2 sb-1-Binaryimg_no 520.jpg
  • 28
  • 30
  • 36
  • 42
When adding 1 + 1 in binary, you need to ___
cs-2 sb-1-Binaryimg_no 521.jpg
  • use the symbol 2
  • put 0 as the sum and carry the 1
  • put 1 as the sum and carry the 1
  • put 1 as the sum and carry the 0
Each of the binary digits 1 or 0 is called ___
cs-2 sb-1-Binaryimg_no 522.jpg
  • a bit
  • a byte
  • a base-ten digit
  • a pixel
For 8-bit numbers, the lowest value is 0 and highest value is ___
cs-2 sb-1-Binaryimg_no 523.jpg
  • 127
  • 128
  • 255
  • 256
How many different colors can be displayed by an 8-bit game?
cs-2 sb-1-Binaryimg_no 524.jpg
  • 8
  • 64
  • 256
  • 16,777,216
A unit of digital information that consists of eight bits is called ___
cs-2 sb-1-Binaryimg_no 525.jpg
  • an octobit
  • a byte
  • a nibble
  • a chunk
The metric prefix for a million is mega (M). What is the prefix for a billion?
cs-2 sb-1-Binaryimg_no 526.jpg
  • beca (B)
  • kilo (k)
  • giga (G)
  • tera (T)
How many bits are required to represent numbers as large as the US national debt?
cs-2 sb-1-Binaryimg_no 527.jpg
  • 8 bits
  • 16 bits
  • 32 bits
  • 64 bits
For data storage and retrieval, computers must label locations in their memory known as ___
cs-2 sb-1-Binaryimg_no 528.jpg
  • bit locations
  • addresses
  • ZIP codes
  • box numbers
Numbers that are not whole numbers, like 12.7 and 3.14, are called ___
cs-2 sb-1-Binaryimg_no 529.jpg
  • decimal numbers
  • floating-point numbers
  • hexadecimal numbers
  • irrational numbers
In the IEEE 754 standard, the part of the number consisting of its significant digits is called ___
cs-2 sb-1-Binaryimg_no 530.jpg
  • the body
  • the significand
  • the exponent
  • the root
In a 32-bit floating-point number, what is the first bit is used for?
cs-2 sb-1-Binaryimg_no 531.jpg
  • the address of the number
  • the sign of the number
  • the parity check
  • the decimal location
In the 1600s, which English writer used 5-bit sequences to encode the alphabet?
cs-2 sb-1-Binaryimg_no 532.jpg
  • Jane Austen
  • Charles Dickens
  • William Shakespeare
  • Francis Bacon
Which 7-bit code, invented in 1963, was developed to represent characters?
cs-2 sb-1-Binaryimg_no 533.jpg
  • binary
  • hexadecimal
  • ASCII
  • Unicode
The ability of computer systems to universally exchange information is called ___
cs-2 sb-1-Binaryimg_no 534.jpg
  • cross-platforming
  • interoperability
  • linguistics
  • universal translating
What was the major limitation of the 7-bit ASCII system?
cs-2 sb-1-Binaryimg_no 535.jpg
  • it could only store 64 values
  • it was only designed for English
  • it didn't include capital letters
  • it didn't include punctuation
ASCII was expanded to 8 bits, allowing codes 128-255 to be used for ___
cs-2 sb-1-Binaryimg_no 536.jpg
  • punctuation
  • national characters
  • upper case letters
  • numbers 0-9
What encoding scheme, devised in 1992, was developed to include many languages?
cs-2 sb-1-Binaryimg_no 537.jpg
  • 7-bit ASCII
  • 8-bit ASCII
  • 16-bit Unicode
  • 32-bit Windows OS
The acronym ASCII stands for ___
cs-2 sb-1-Binaryimg_no 538.jpg
  • Accepted Simplified Characters for Information Interchange
  • Accepted Standard Code for Intelligent Interoperability
  • American Simplified Characters for Intelligent Interoperability
  • American Standard Code for Information Interchange
Signed Integers Represent Which Type of Binary Values
  • Any Positive Value between 0-255
  • Any Negative Value between -128 and 0
  • Any Value between Negative (-128) and Positive +127
  • A Signed Integer Means that the Binary value is always 0
What is the range of an unsigned 8-Bit Binary intergers?
  • 0-255 (256 Values altogether)
  • 0-128
  • Between -128 and 0
  • Between 0 and 128
If a binary number ends with a 1, it must be...
  • An odd number
  • An even number
  • A prime number
  • The number 12
What is the denary number system?
  • It counts the number of dens
  • Our usual base 10 number system
  • A special number system for computers
  • Den Ary's number system
A group of 8 bits is known as a gigabyte.
  • True
  • False
What is 0101 + 1010?HINT:1 + 0 = 10 + 1 = 11 + 1 = 10
  • 1111
  • 2020
  • 146.6
  • ?
ASCII is:
  • a numerical system that has 2 rather than 10 as a base.
  • the most common format for text files in computers and on the Internet
ASCII was developed in what decade?
  • 1950s
  • 1960s
  • 1970s
  • 1940s
Calculate the binary addition:11111011Use binary addition rules + whiteboards!
  • 110101
  • 11110
  • 11011
  • 11010
What is binary?
  • A part of a computer
  • The way computers talk to each other
  • A computer program
  • Software for a computer
What two digits are used in binary?
  • 0 & 2 
  • 1 & 2
  • 0 & 1
  • 1 & 1
If 1 and 0 mean on and off. Is the number 1 on or off?
  • ON
  • OFF
What is the sum of this binary number?01000010
  • 62
  • 66
  • 68
  • 64
What is the sum of this binary number?00100101
  • 29
  • 37
  • 38
  • 36
What is the sum of this binary number?10000001
  • 128
  • 127
  • 129
  • 130
What is the sum of this binary number?00000011
  • 12
  • 6
  • 3
  • 2
What is the sum of this binary number?00001001
  • 34
  • 21
  • 9
  • 8
What is the sum of this binary number?10000000
  • 128
  • 156
  • 64
  • 8
What is Binary? 
  • Binary is a digital helper like siri
  • Binary is a football team
  • Binary is a numbering scheme with only the numbers 0 and 1
  • Binary is a number
What is Denary?
  • Binary's brother
  • Decimal numbers
How many bits in a byte?
  • 4
  • 6
  • 8
  • 12
How many bits in a nibble?
  • 4
  • 8
  • 12
  • 16
If denary relates to base 10, what does binary relate to?
  • base 2
  • base 4
  • base 8
  • base 12
In binary what does each position relate to?
  • a power of 2
  • a power of 4
  • a power of 10
  • a power of 12
In hexadecimal, you are counting in base what?
  • base 2
  • base 6
  • base 8
  • base 16
Why is data in a computer represented in binary?
  • Its easier to use when programming software
  • We already used decimal for other things and needed a different system
  • Computer switches are on or off
  • Two was the smallest number to build a number system on
1 byte is equal to 8 bits, how many bytes represent one character of text?
  • 1 bit
  • 4 bits
  • 1 byte
  • 1 Kilobyte (Kb)
In a binary table starting at 1, when we move to the next column on the left, we ____________ the value of the column.
  • halve
  • square
  • double
  • triple
  • hash
How do we show the number 28 in binary?
  • 00101010
  • 00011001
  • 00011100
  • 00110011
What does the acronym ASCII stand for?
  • Associated Standards Council for Internet Information
  • American Standards Code for Information Interchange
  • Acronym Studies Corrected for Internet Interference
  • All Standards Correctly Infer Intelligence
ASCII codes used to use only 7 bits but a further bit was added for what purpose?
  • Special characters such as copyright
  • Error checking to prevent hacking
  • 8 bits is a byte and its easier to process in whole bytes
  • So we could use bold, italic, and underline
ASCII bit patterns cannot be used for?
  • Printing text
  • Outputting numbers
  • Performing calculations
  • Producing full sentences
The number 54 in binary is:
  • 00110110
  • 36
  • 00110101
  • 00101001
Convert 65 to binary
  • 01100001
  • 00100001
  • 01000001
  • 00100101
Convert 37 to binary
  • 00100101
  • 00100011
  • 00100111
  • 01000101
Convert 11001100 to decimal
  • 224
  • 134
  • 104
  • 204
Convert 00100100 to decimal
  • 26
  • 36
  • 46
  • 56
What is the denary value for the binary number 0000 1101
  • 12
  • 13
  • 14
  • 15
What is the denary value for the binary number 1010 1111?
  • 174
  • 175
  • 176
  • 177
What is the maximum denary number I can use with 8 bit binary (1111 1111)?
  • 254
  • 255
  • 256
  • 257
The missing binary heading is what?128,  64, ___ , 16, 8, 4, 2, 1
  • 32
  • 30
  • 60
  • 20
What is 1011 in denary?
  • 11
  • 14
  • 26
  • 1011
What is the answer to 010 + 010?
  • 110
  • 010
  • 100
  • 011
What is the answer to 1010 + 0101?
  • 1011
  • 1001
  • 1111
  • 0111
What is the answer to 0110 + 0101?
  • 1011
  • 1101
  • 1110
  • 1111
Add binary numbers shown?
cs-2 sb-1-Binaryimg_no 885.jpg
  • 01111011
  • 01101111
  • 01111101
  • 01101101
Add binary numbers shown?
cs-2 sb-1-Binaryimg_no 886.jpg
  • 10010000
  • 10001000
  • 10000100
  • 10100000
1 1 0 1 1 - 1 0 1 1
  • 11000
  • 01010
  • 11111
  • 1 0 0 0 0
1 0 1 1 0 - 1 1 0 1
  • 0 1 1 0 1
  • 1 0 0 0 1
  • 0 1 0 0 1
  • 1 1 0 0 1
1 1 1 1 1 - 1 1 1 1
  • 1 1 1 1 0
  • 1 0 0 0 0
  • 0 1 0 0 0
  • 1 1 0 0 0
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