FINALE LESSONS Flashcards
Thou shalt not use a computer to harm other people.
Thou shalt not interfere with other people’s computer work.
Thou shalt not snoop around in other people’s computer files.
Thou shalt not use a computer to steal.
Thou shalt not use a computer to bear false witness.
Thou shalt not copy or use proprietary software for which you have not paid.
Thou shalt not use other people’s computer resources without authorization or proper compensation.
Thou shalt not appropriate other people’s intellectual output.
Thou shalt think about the social consequences of the program you are writing or the system you are designing.
Thou shalt always use a computer in ways that ensure consideration and respect for your fellow humans.
What is the Switching Theory
A theory regarding the function of computer networks
What is a primary characteristics of sequential digital circuits?
Their output is dependent on both the current input and the previous output
Which of the following Boolean expressions is equivalent to the expression (A + B) (A + C)?
A + B(C)
Which type of circuits has an output solely dependent on the combination of its current inputs
Combinational circuit
Which gate produce a high output only when all inputs are high?
AND gate
There are seven basic logic gates
AND, OR, XOR, NOT, NAND, NOR and XNOR.
What is a Logic Gate?
electronic circuit that are designed by using electrical components
The operation of logic gates is based on the ________ or _________. Logic gate founds
Boolean algebra & mathematics
__________ is used to perform logical Multiplication of binary input.
AND gate
A.B=X (AND GATE)
AND gate can ________ or _________ input values at a time.
accept two or more than
_______ is most widely used digital logic circuit.
OR GATE
X= A+B (OR GATE)
In digital electronics, the __________ is one of the basic logic gate having only a single input and a single output.
NOT gate
Y = Ā (OR)
The _________ is the type of universal logic gate. It takes two or more inputs and gives only one output.
NOR gate
O = (A + B) (NOR)
The __________ is another type of Universal logic gate.
NAND Gate
What is the combination of two basic logic gates AND gate and the NOT gate connected in series?
NAND Gate
X = (A . B) (NAND)
In digital electronics, there is a specially designed logic gate named, _______, which is used in digital circuits to perform modulo sum
XOR gate
It is also referred to as Exclusive OR gate or Ex-OR gate?
XOR gate
X = A’B + AB (XOR)
The ______ is the combination of XOR gate and NOT gate.
XNOR Gate
Y = A ⊙ B (XNOR)
A sequential digital circuits outputs depends on:
both the current and past inputs
What does it mean when to signals in timing diagram are in phase
They reach their high and low states at the same times.
What defines a digital system?
A system that represents information by discrete signals.
Why is Claude Shannon’s work considered foundational for digital circuit design?
He developed a method to represent circuits through mathematical expressions based on Boolean algebra.
Which early communication system used pulses of variable length as a coding technique, marking it as a digital system?
Telegraph
What is a primary characteristic of sequential digital circuits?
Their output depends on a sequence of prior events and current inputs.
What is switching theory?
A theory describing the design of analog circuits.
What is the purpose of Boolean algebra in digital circuits?
To describe and manipulate binary variables.
What does a timing diagram in digital circuits typically illustrate?
The physical layout of a digital circuit and component placement
In an OR gate, the output is low only when:
All inputs are low.
NAND gate produces a low output only when:
All inputs are high
The I/O section of a digital computer includes:
Devices like Keyboard and Joystick.
Which component temporarily stores information in a digital computer?
Registers in the ALU.
In a combinational digital circuit:
The output depends only on current inputs
XOR gates produce a high output only when:
Inputs are dissimilar.
