Binary
Hex
History
Miscellaneous 1
Miscellaneous 2
100
What values can 1 bit hold?
0 and 1
100
What symbol in hexadecimal represents the number 12?
C
100
Did the ENICA (1943) use integrated circuits, transitors, or vacuum tubes?
Vacuum Tubes
100
In Scratch, what control should I use to have instructions repeated indefinitely?
Forever loop
100
What is the number base of hexadecimal?
16
200
What is this binary number 010011 in decimal?
19
200
What is hexadecimal 2A in decimal?
42
200
What are the four components of Von Neuman Architecture?
Memory/Input/Output/CPU
200
Where as a CD is digital, a vinyl record is...
Analog
200
Would analog data or binary data more fully represent arbitrary precision?
Analog
300
What is decimal 123 in binary?
1111011
300
What is decimal 47 in hexadecimal?
2F
300
Charles Babbage invented?
Analytic Engine or Difference Machine
300
You want to store just upper case letters A to Z. What is the minimum number of bits you'd need?
2*2*2*2*2 = 32 which is >= 26. 5 bits
300
Fill in the blank. All data stored in the computer must be stored as ___________?
bits or 0s and 1s
400
How many different numbers can you represent with 8 bits?
256
400
What is this decimal 118 number in hexadecimal?
76. 7*16 + 6 = 118
400
Who is considered the 1st programmer?
Ada Lovelace
400
What is 1111 0101 in hex?
F5
400
What is 11100110 in hex and decimal?
E6, 230
500
What is the largest number you can represent with 5 bits?
2 * 2 * 2 * 2 * 2 - 1 = 32 - 1 = 32
500
Hexadecimal number A00 equals what decimal number?
2560 = 10*256 + 0*16 + 0
500
Who original invented using punch cards for storing information?
Jacquard
500
Suppose you want to store just upper and lower case letters. How many bits would you need per letter?
6. 26+26=52 letters 2*2*2*2*2*2 = 64. 64 >=52
500
What is the name of a standard that is used for storing text that doesn't handle foreign languages very well?
ASCII
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