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What is a co-processor?
8087 NDP (numerical data processor) is also termed as math co-processor that is used in parallel with the major processor for number crunching applications that would otherwise require complex programming. This is also faster than 8086/8088 processor during performing mathematical computation. This has its own specialized instruction sets to handle mathematical programs.
Explain cascading of multiple PICS 8259. The 8259A adds 8 vectored priority encoded interrupts to the microprocessor. It can be expanded to 64 interrupt requests by using one
Bipolar Junction Transistor: Transistor construction: the emitter layer is heavily doped, the base is light doped and the collector is only lightly doped. Outer layer has wi
Define some Huntington postulates - Boolean Algebra? Postulates 1. Commutative Law (a) A + B = B + A (b) A B = B A 2. Distributive Law (a) A (B + C) = A B + A
How is 8255 (Programmable Peripheral Interface) configured if its control register contains 9B h. Ans. Programmable Peripheral Interface Command Byte B (sets or
Q. Consider the synchronous counter shown in Figure of the text. (a) Draw its timing diagram. (b) Show the implementation of the same synchronous counter using D flip-flops.
Q. What is Barkhausen criterion? Why is the value of Ab kept slightly greater than 1? The condition |Ab| = 1 is called the Barkhausen criterion. It implies that when |Ab| = 1,
Using the LM741operational amplifier build a current amplifier with the voltage gain of |A V | = 300 v/v ± = 20% . Measure all necessary parameters of the amplifier (as per delive
stack Pointer (SP) It is also a 16 bit register and a memory pointer similar to program counter. It holds the memory address of the top of the stack. Stack is a part of
A Capacitor-Fed, Voltage-Step-Down, Single-Phase, Non-Isolated Rectifier
Discuss the DWORD assembler directive with example. DWORD: This defines word type variable. The described variable may have one or more initial values into the dire
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