1. Microprocessors and Digital Systems
by Hall, Douglas V 
Price: USD 6.89
Dealer: Alibris, ThriftBooks-Dallas via Alibris
Description: Gregg Division, McGraw-Hill 1980 Hardcover Fair Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. 

2. Microprocessors and digital systems
by Hall Douglas V 
Price: USD 10.89
Dealer: Biblio, ThriftBooks
Description: Gregg Division, McGraw-Hill, Date: 1980. Hardcover. Acceptable. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 1980. Gregg Division, McGraw-Hill ISBN 0070255717 9780070255715 [US] 

3. Microprocessors and digital systems
by Hall, Douglas V 
Price: USD 10.89
Dealer: Abebooks, ThriftBooks-Dallas
Description: ISBN10: 0070255717, ISBN13: 9780070255715, [publisher: Gregg Division, McGraw-Hill] Hardcover Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less 2.7 [Dallas, TX, U.S.A.] [Publication Year: 1980]  

4. Microprocessors and digital systems
by Hall, Douglas V 
Price: USD 108.09
Dealer: AbebooksUK, dsmbooks
Description: ISBN10: 0070255717, ISBN13: 9780070255715, [publisher: Gregg Division, McGraw-Hill] Hardcover Acceptable [liverpool, United Kingdom] [Publication Year: 1980]