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What are the different modes in that 8255 Programmable Peripheral Interface (PPI) can operate?
- Mode 0: A, B, C simple input or output level sensitive ports
- Mode 1: A, B input or output ports with strobe control in C
- Mode 2: A is bidirectional with control/handshake in B and C
Device drivers are special programs installed by config.sys file to control installable devices. So personal computers can be expanded at some future time by installation of new d
What is the best way offload responsibility? The best way to offload responsibilities is to purchase services through a Service Provider. ISPs, customers and Service Provide
Q. Define COM Programs? A COM (Command) program is binary image of a machine language program. It is loaded in memory at the lowest available segment address. Program code star
Q.Prove using Boolean Algebra 1. X (X+Y) = X 2. AB + AC + BC' = AC + BC' 3. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 4. (A+B'+C) (AB+A'C) = (A+C) (A'+B) 5. XY + XZ + YZ
Explain CMOS Inverter with the help of a neat circuit diagram. Ans: CMOS Inverter: The fundamental CMOS logic circuit is an inverter demonstrated in Fig.(a). For above
What are the elements of Analysis model? i. Data Dictionary ii. Entity Relationship Diagram iii. Data Flow Diagram iv. State Transition Diagram v. Control Specifica
A digital signature is encrypting information
Interrupts Interrupt-request line o Interrupt-acknowledge signal o Interrupt-request signal Interrupt-service routine o May have no relationship t
Distinguish between ROM, PROM, EPROM, EEPROM. Ans: ROM: It also called Read Only Memory is a Permanent Memory. The data is permanently stored and cannot be changed in Perm
Q. Explain how does CPU perform Read and Write operation on peripheral device taking suitable example in case of Asynchronous Technique. Differentiate Memory mapped and Isolated
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