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URD101
cs 501 midterm papers
Replies to This Discussion
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Permalink Reply by Yasmeen(S.admin) on -
Q1- What is Reset operation describe it types
Q2- Describe super scaler and VILW.
Q3- Write RTL functions and there was a rb +rc instruction
Q4- Write RTL functions and there was a rb +rc instruction
Q5-. Write the structural RTL for “ in ra, rb”
Write the Structural RTL description for un-conditional jump instruction for
uni-bus data path implementation. (5 Marks) -
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Permalink Reply by Yasmeen(S.admin) on
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1. What function is performed by the reset operation of a processor and differentiate Hard reset and Soft reset? [5 marks]
2. Write the Structural RTL for the mov instruction for uni-bus data path implementation. mov ra, rb 3 marks
3. Write the Structural RTL for shift right instruction. 2 marks
4. What is the use of "NOP" instruction in pipe lining? 3 marks
Some MCQs are as follows1). LPC: This control signal will enable write of the Program Counter, thus the new,
incremented value can be written into the PC if it is made available on the “in”
bus. Note that the ALSU is assumed to include an INC4 function.2). Anything that interrupts the normal flow of execution of instructions in the
processor is called an exception.3).What is the size of the memory space that is available to FALCON-A processor?
2^8 bytes
2^16 bytes
2^32 bytes
2^64 bytes4). What is the working of Processor Status Word (PSW)?
To hold the current status of the processor.
To hold the address of the current process
To hold the instruction that the computer is currently processing vuzs
To hold the address of the next instruction in memory that is to be executed5). What is the instruction length of the FALCON-E processor?
8 bits
16 bits
32 bits
64 bits6). Which one of the following portions of an instruction represents the operation to be performed?
Address
Instruction code
Opcode
Operand7). Which instruction is used to store register to memory using relative address?
ld instruction
ldr instruction
lar instruction
str instruction
Helping topic: SRC instruction format.8). Which type of instructions help in changing the flow of the program as and when required? vuzs.net
Arithmetic
Control
Data transfer
Floating point
9). A MCQ about Power PC10). which one of the following is 0-address based machine.
11). There was a very long MCQ not remember now but the options are,
VCON
FCON
ACON
LCON
I already found all of them keywords on handouts but there is nothing like this. -
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Permalink Reply by Yasmeen(S.admin) on
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Q 1
For any of the instructions that are a part of the instruction set of the SRC, there are cerain_________required; which may be used to select the appropriate function for the ALU to be performed, to select the appropriate registers, or the appropriate memory location.
- Register
- Control signals
- Memory
- None of the given
Q 2
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
- 8-bits
- 16-bits
- 32-bits
- 64-bits
Q 3
What is the instruction longth of the FALCON-A processor?
- 8-bits
- 16-bits
- 32-bits
- 64-bits
Q 4
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
- LPC
- INC4
- LC
- I
Q 5
Which one of the following is a bi-stable device, capable of storing one bit of information?
- Decoder
- Flip-Flop
- Multiplexer
- Diplexer
Q 6
Which instruction is used to store register to memory using relative address?
- ld instruction
- ldr instruction
- lar instruction
- str instruction
Q 7
Which field of the machine language instruction is the “type of operation” that is to be performed?
- Op-code (or the operation code)
- CPU registers
- Momory cells
- I/O locations
Q 8
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
___Add R3, 56
___lar R3, 56
___ldr R3, 56
___str R3, 56
Q 9
_______ operation is required to change the processor’s state to a known, defined value.
- Change
- Reset
- Update
- None of the given
Q 10
which type of instructions help in changing the flow of the program as and when required?
- Arithmetic
- Control
- Data transfer
- Floating point
Q 11
Which one of the following registers holds the address of the next instruction to be executed?
- Accumulator
- Address Mask
- Instruction Register
- Program Counter
Which one of the following is the memory organization of EAGLE processor?
- 8-bits
- 16-bits
- 32-bit
- 64-bits
Q 12
The external interface of FALCON-A constists of a ______address bus and ______a data bus.
- 8-bit. 8-bit
- 16-bit. 16-bit
- 16-bit. 24-bit
- 16-bit. 32-bit
Q 13
Type A of SRC has which of the following instructions? A) andi, instruction b) No operation or nop instruction c) lar instruction d) ldr instruction e) Stop operation or stop instruction
- & (b)
- (b) & (c)
- & (e)
- (b) & (e)
Short Questions
Write the structural RTL for the call instruction for uni-bus path implementation
call ra, rb (5)
Write the structural RTL for call ret ra
Define pre-fetching (2)
Describe three main functions of control unit. (3)
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Permalink Reply by Yasmeen(S.admin) on
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Total 26 Questions of total 40 Marks
.20 MCQs
6 Short question
All MCQs were from this file compilation
.Control Unit Functionality mention only 3 ,
3 MarksRTL Notation.Define Prefetching.Jump ra+c2 in RTL notation , 5 Marks.
Describe to ways to increase the number instruction execution in agiven time .Ecplain one in detail. , 5 Mark
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