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Q1. What are flip flop circuits in digital electronics? Discuss race around condition in J-K Flip Flop.
Q2. What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.
Q3. Design 8:1 Mux for a given function, f=Σ (0, 1,5,7,9, 13)
Q4. How branching takes place in Instruction pipeline. Explain with suitable examples
Q5. Write short notes on any three of the following.
a) Microprocessor
b) Modes of data transfer.
c) I/O processor
d) Associative memory
e) Software and Hardware interrupt
Q6. Design a mod-15 counter. Explain the various steps in designing the counter
Q7. What are shift registers? Design a 8 bit shift register with features like PISO, SISO, SIPO and PIPO.
Q8. Compare RISC & CISC architecture.
Case Study
Q1. Give the organization of Micro programmed control unit and explain its operation. Explain the role of address sequencer in detail. If you convert your control unit to hardwired unit, what are the changes you will observe?
Q2. Explain in details the block diagram of timing and control unit.
1. Where does a computer add and compare data?
2. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
Question 3: A complete microcomputer system consists of
Question 4: CPU does not perform the operation
Question 5: Pipelining strategy is called implement
Question 6: A stack is
Question 7: A stack pointer is
Question 8: The branch logic that provides decision making capabilities in the control unit is known as
Question 9: Interrupts which are initiated by an instruction are
Question 10: A time sharing system imply
11. Processors of all computers, whether micro, mini or mainframe must have
Question 12: What is the control unit’s function in the CPU?
Question 13: What is meant by a dedicated computer?
Question 14: The most common addressing techiniques employed by a CPU is
Question 15: Pipeline implement
Question 16: Which of the following code is used in present day computing was developed by IBM corporation?
Question 17: When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
Question 18: A microprogram written as string of 0’s and 1’s is a
Question 19: Memory access in RISC architecture is limited to instructions
20. A collection of 8 bits is called
Question 21: An AND gate generates a high output when–
Question 22: How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?
23. A computer program that converts an entire program into machine language at one time is called a/an
Question 24: In immediate addressing the operand is placed
Question 25: Microprocessor 8085 can address location upto
Question 26: The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?
Question 27: When the RET instruction at the end of subroutine is executed,
Question 28: A microporgram is sequencer perform the operation
Question 29: Interrupts which are initiated by an I/O drive are
30. A 32-bit processor has
31. Clock speed is measured in—
32. A parity bit is—
33. On-chip cache has—
34. The system bus is made up of—
35. Modern processor chips may be classified as—
36. A nanosecond is—
37. The clock speed of a modern PC is of the order of—
38. An OR gate generates a low output when—
39. The ascending order or a data Hierarchy is—
40. A conditional jump instruction–
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