Introduction to Logic Design (3rd Edition) by Alan B. Marcovitz
By Alan B. Marcovitz
Advent to good judgment layout through Alan Marcovitz is meant for the 1st path in good judgment layout, taken by means of machine technology, machine engineering, and electric engineering scholars. As with the former variants, this version has a transparent presentation of basics and a very good choice of examples, solved difficulties and routines.
The textual content integrates laboratory studies, either and machine simulation, whereas now not making them essential for following the most circulation of the chapters. layout is emphasised all through, and switching algebra is constructed as a device for reading and imposing electronic platforms. The presentation contains first-class insurance of minimization of combinational circuits, together with a number of output ones, utilizing the Karnaugh map and iterated consensus. there are various examples of the layout of bigger platforms, either combinational and sequential, utilizing medium scale built-in circuits and programmable good judgment units.
The 3rd version positive factors chapters on sequential platforms. the 1st bankruptcy covers research of sequential platforms and the second one covers layout. whole assurance of the research and layout of synchronous sequential platforms provides to the great nature of the textual content. The derivation of country tables from be aware difficulties additional emphasizes the sensible implementation of the cloth being awarded.
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Extra resources for Introduction to Logic Design (3rd Edition)
Example text
In the 5421, 2421, and excess 3 codes, that would correspond to the first bit of the number being 1. ) In the 8421 code, however, more complex logic is required, because the first bit might be either 0 or 1 for negative numbers. In both 5421 and excess 3 codes, the ten’s complement is computed by complementing each bit and adding 1 (as in two’s complement). The process is more complex using the other codes. We will make use of some of these codes in later examples. 6 Other Codes Other codes also appear in the digital world.
Qxd 36 10/22/08 12:56 PM Page 36 Chapter 2 Combinational Systems about the inputs that do not correspond to a decimal digit (1010, 1011, … , 1111). If we know for sure that they will never happen, then we don’t care what the display driver produces for those input combinations. On the other hand, the specifications might state that the display is to be blank (no segment lit) or that it is to display an error code. 6 assumes 8241 code, a 1 to light a segment, the version of 6, 7, and 9 does not matter, and that the inputs that do not represent a decimal digit never occur.
4. Convert the following hexadecimal integers to decimal a. 263 b. 1C3 a. 3 ϩ 6 ϫ 16 ϩ 2 ϫ 162 ϭ 3 ϩ 96 ϩ 512 ϭ 611 b. 3 ϩ 12 ϫ 16 ϩ 162 ϭ 3 ϩ 192 ϩ 256 ϭ 451 5. Compute the sum of the following pairs of 6-bit unsigned integers. If the answer is to be stored in a 6-bit location, indicate which of the sums produces overflow. Also, show the decimal equivalent of each problem. a. 0 0 1 0 1 1 ϩ 0 1 1 0 1 0 b. 1 0 1 1 1 1 ϩ 0 0 0 0 0 1 c. 1 0 1 0 1 0 ϩ 0 1 0 1 0 1 d. 1 0 1 0 1 0 ϩ 1 0 0 0 1 1 a. 11 26 37 0 001011 011010 1 10 001011 011010 0101 10 01 001011 001011 011010 011010 01 101 11 1 001011 001011 011010 011010 0 0 1 0 1 0 1 0 0 1 0 1 ϭ 37 Note that in this case the last carry result is 0 (it is shown as part of the sum) and thus the answer does fit in 6 bits (there is no overflow).