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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
Many physicists believe that the universe is governed by a single system. A system which is capable of describing the behaviour of the very large (stars and planets) and the very s
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Scoreboards- Constrained-Random Verification Methodology Scoreboards are used to verify that data has successfully reached its destination whereas monitors snoop the interfaces
prevention of boiler troubles
Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.
What is an imperative statement? Ans. Shows an action to be performed throughout execution of assembled program is an imperative statement.
Q. Meaning of every field in MIPS instruction? The meaning of every field in MIPS instruction is given below: op: operation code or opcode rs: First register source
The MSI chip 7474 is ? Ans. MSI chip 7474 is TTL, dual edge triggered D Flip-Flop.
Show how finite state machine model helps in designing a switching system and give a typical example. Switching system fundamentally belongs to the class of finite state machi
How are interrupt handled by the operating system? The fundamental interrupt mechanism works as follows: The CPU hardware has wire called the interrupt-request line which
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