7.6 KiB
title | TARGET DECK | FILE TAGS | tags | ||
---|---|---|---|---|---|
Boolean Algebra | Obsidian::STEM | logic::boolean |
|
Overview
Boolean algebra refers to an algebraic system characterised by a set of axioms. This is something I'll explore further, probably after reading more on abstract algebra. The basic operations of Boolean algebra are negation (\neg
), conjunction (\land
), and disjunction (\lor
).
%%ANKI
Basic
What name is given to \land
operands?
Back: Conjuncts
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
END%%
%%ANKI
Basic
What set operation parallels conjunction?
Back: \cap
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
END%%
%%ANKI
Basic
What name is given to \lor
operands?
Back: Disjuncts
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
END%%
%%ANKI
Basic
What set operation parallels disjunction?
Back: \cup
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
END%%
%%ANKI
Basic
What C logical operator corresponds to \neg
?
Back: !
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
Tags: c17
END%%
%%ANKI
Basic
What C logical operator corresponds to \land
?
Back: There isn't one.
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
Tags: c17
END%%
%%ANKI
Basic
What C logical operator corresponds to \lor
?
Back: There isn't one.
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
Tags: c17
END%%
%%ANKI
Basic
What C logical operator corresponds to \Rightarrow
?
Back: There isn't one.
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
Tags: c17
END%%
%%ANKI
Basic
What C logical operator corresponds to \Leftrightarrow
?
Back: ==
Reference: Gries, David. The Science of Programming. Texts and Monographs in Computer Science. New York: Springer-Verlag, 1981.
Tags: c17
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \neg
?
Back: ~
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \land
?
Back: &
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \lor
?
Back: |
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \oplus
?
Back: ^
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What is the value of ~0b00001111
?
Back: 0b11110000
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What is the value of 0b00001111 & 0b11111111
?
Back: 0b00001111
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What is the value of 0b00001111 | 0b11111111? Back:
0b11111111`
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
What is the value of 0b00001111 ^ 0b11111111
?
Back: 0b11110000
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17
END%%
%%ANKI
Basic
How do bit vectors represent finite sets?
Back: A 1
bit-value indicates membership at the given index.
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary
END%%
%%ANKI
Basic
What C bit-level operator corresponds to set complement?
Back: ~
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17 set
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \cup
?
Back: |
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17 set
END%%
%%ANKI
Basic
What C bit-level operator corresponds to \cap
?
Back: &
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
Tags: binary c17 set
END%%
%%ANKI Basic What is a bit mask? Back: A bit pattern that selects certain bits of a data type. Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
END%%
%%ANKI
Basic
What hexadecimal bit mask returns the least significant byte of a word?
Back: 0xFF
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
END%%
%%ANKI
Basic
What portable expression yields a mask of all ones, regardless of data type?
Back: ~0
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
END%%
%%ANKI
Basic
Why might you prefer ~0
over e.g. 0xFFFFFFFF
?
Back: The former is independent of data type.
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
END%%
%%ANKI
Basic
Given int32_t x = 0x89ABCDEF
, what is the value of x & 0xFF
?
Back: 0x000000EF
Reference: Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.
END%%
References
- Bryant, Randal E., and David O'Hallaron. Computer Systems: A Programmer's Perspective. Third edition, Global edition. Always Learning. Pearson, 2016.