# 8 (number): Quiz

Question 1: It is symbolized by the ________ (figure) 8.
Eastern Arabic numeralsAbjad numeralsArabic numeralsArabic language

Question 2: 8 is the dimension of the ________ and is the highest possible dimension of a normed division algebra.
QuaternionOctonionComplex numberCayley–Dickson construction

Question 3: We also see a period of 8 in the K-theory of spheres and in the representation theory of the ________, the latter giving rise to the 8 by 8 spinorial chessboard.
Group (mathematics)Rotation groupLorentz groupRotation matrix

Question 4: 8 (eight) is the ________ following 7 and preceding 9.
Natural numberReal numberCardinal numberInteger

Question 5: The ________ for 10008 is yotta (Y), and for its reciprocal yocto (y).
Engineering notationGiga-Mega-SI prefix

Question 6: The number 8 is a ________, being 3 plus 5.
Fibonacci numberEuclidean algorithmPell numberGolden ratio

Question 7: In octal, one digit represents 3 ________.
BitCharacter (computing)Record (computer science)Byte

Question 8: In modern computers, a ________ is a grouping of eight bits, also called an octet.
Primitive data typePointer (computing)ByteInteger (computer science)

Question 9: 8 is the base of the octal number system, which is mostly used with ________.
Central processing unitPersonal computerLinuxComputer

Question 10: Eight is a ________, being 23 (two cubed), and is the first number of the form p3.
ByteExponentiationPower of two2 (number)