... Engineering
ECE380 Digital Logic
Introduction to Logic Circuits:
Design Examples
Dr. D. J. Jackson Lecture 5-2Electrical & Computer Engineering
Design examples
ã Logic circuits provide a solution to ... Engineering
ECE380 Digital Logic
Introduction to Logic Circuits:
Synthesis using AND, OR, and
NOT gates
Dr. D. J. Jackson Lecture 4-2Electrical & Computer Engineering
Example logic circuit design
ã ... AND logical AND
–OR logical OR
– NOT logical NOT
– NAND, NOR, XOR, XNOR (covered later)
ã Assignment operator <=
A variable (usually an output) should be assigned the result
of the logic...
... III Designing the Database
11 Designing Tables 259
12 Integrating Business Rules and Data Integrity 295
13 Designing Views 319
14 Applying Database Design Concepts 345
P
ART IV Life After Design ... used
properly. Some AD tools allow work performed by designers to be shared. By sharing data,
design team members can see the work performed by other members of the team and can
access the same ... Legacy Databases for Redesign 427
Appendixes
A Sample Physical Database Implementation 447
B Popular Database Design Tools 463
C Database Design Checklists 465
D Sample Database Designs 475
E Sample...
... a for cents, followed by
a digit
1 to 9; s for dimes, followed by a digit 1 to 9; d for dollars, followed by a digit 1 to
9; and f for tens of dollars, again followed by a digit 1 to 9. Each ... Each entry (one of asdf
followed by
1 to 9) is followed by pressing the Return key. Any overflow is reported after
each operation. Overflow can be requested by pressing the
o key.
07_CH07.fm ... the type is a large structure or class object, a call by value makes a copy of the
caller’s argument and thus uses more memory than a call by constant reference.
6. In
const int x = 17;, the...
... ways:
By plain old value, as in the function declaration
T f( );
By constant value, as in the function declaration const T f( );
By reference, as in the function declaration T& f( );
By const ... your
class types, then you would return by reference for the prefix form and by value for the
postfix form. However, we find it opens the door to too many problems to return by
reference with increment or ... increment and decrement operator on simple types, such as
int and char,
return by reference in the prefix form and by value in the postfix form. If you want to
emulate what happens with simple types...
... line of input and echo it exactly, including blanks. The follow-
ing is a sample dialogue produced by this code:
Enter a line of input and I will echo it:
Do Be Do 1 2 34
Do Be Do 1 2 34
That’s all ... placed in the computer’s memory. In C++ you can use a value of type
char as
a number, for example, by placing it in a variable of type
int. You can also store a number of
type
int in a variable ... is assigned to ’A’:
cout << toupper(’a’);
To get the computer to treat the value returned by toupper or tolower as a value of type char
(as opposed to a value of type
int), you need to...
... palindrome test
followed by pressing Return.
Madam, I'm Adam.
"Madam, I'm Adam." is a palindrome.
Enter a candidate for palindrome test
followed by pressing Return.
Radar
"Radar" ...
characters to
stringVar, so strcat will write all the characters in the string " and Good-
bye."
into memory, even though that requires more memory than has been assigned to
stringVar. ... makeLower(str);
09_CH09.fm Page 390 Wednesday, August 13, 2003 1:04 PM
392 Strings
25. What is the output produced by the following code?
string s1, s2("Hello");
s1 = s2;
s2[0] = ’J’;
cout << s1...
... type (
ifstream, ofstream, or any other stream type), but it must be a call -by-
reference parameter. It cannot be a call -by- value parameter.
■
APPENDING TO A FILE
When sending output to a file, your ...
Heaven
(1913)
As a leaf is carried by a stream, whether the stream ends in a
lake or in the sea, so too is the output of your program carried by
a stream not knowing if the stream goes ... flush. The syntax
for flush is indicated by the following example:
outStream.flush( );
A F
ILE
H
AS
T
WO
N
AMES
Every input and every output file used by your program has two names. The external...
... primary design units and secondary design
units. The primary design units are the Entity and the Package. The sec-
ondary design units are the Architecture and the Package Body. Sec-
ondary design ... electronic design productivity since ini-
tial ratification by the IEEE in 1987. For almost 15 years the electronic
design automation industry has expanded the use of VHDL from initial
concept of design ...
b
delayed by 10
nanoseconds. The second statement creates a driver that contains the
value of signal
c
delayed by 10 nanoseconds. How these two drivers are
resolved is left to the designer. The designers...
... ell
p-select
n-select
metal1
active
contact
V
DD
CHAPTER 4 SOLUTIONS
9
4.11 D = N(GH)
1/N
+ P. Compare in a spreadsheet. Design (b) is fastest for H = 1 or 5.
Design (d) is fastest for H = 20 because it has a lower logical effort and ... 2.74
CHAPTER 12 SOLUTIONS
33
coded design tends to be more convenient.
12.5 (a) B = 512. H = 20. A 10-input NAND gate has a logical effort of 12/3, so esti-
mate that the path logical effort is ... Plotting: The Black Art
of IC Testing,” IEEE Design and Test of Computers, vol. 14, no. 3, 1997, p. 90-97.
Appendix A
No solutions presently available.
SOLUTIONS
18
Solve for x and I(B):
Plotting...
... to reduce a Boolean equation
Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits
51
Digital Logic and
Microprocessor Design
With VHDL
Enoch ... IEEE.STD _LOGIC_ 1164.all;
ENTITY NOR3gate IS PORT (
x: IN STD _LOGIC;
y: IN STD _LOGIC;
z: IN STD _LOGIC;
f: OUT STD _LOGIC) ;
END NOR3gate;
ARCHITECTURE Dataflow OF NOR3gate IS
SIGNAL xory, xoryorz : STD _LOGIC;
BEGIN
xory ...
duals
equivalent
equivalent
inverse
Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor,...