CS501-Midterm
1 / 50
What does the instruction “ldr R3, 58” of SRC do?
2 / 50
Which one of the following register holds the instruction that is being executed?
3 / 50
The external interface of FALCON-A consists of a ________ data bus.
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“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
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___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
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_______ operation is required to change the processor‟s state to a known, defined value.
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________ operation is required to change the processor‟s state to a known, defined value.
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Which one of the following register(s) contain(s) the address of the place the CPU wants to work with in the main memory and is/are directly connected to the RAM chips on the motherboard?
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Which of the instruction is used to load register from memory using a relative address?
11 / 50
-------------- performs the data operations as commanded by the program instructions.
12 / 50
What does the word „D‟ in the „D-flip-Flop‟ stands for?
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In which one of the following techniques, the time a processor spends waiting for instructions to be fetched from memory is minimized? Select correct option:
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Which of the following can be defined as an address of the operand in a computer type instruction or the target address in a branch type instruction?
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Which one of the following is the memory organization of FALCON-E processor?
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_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
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which type of instructions help in changing the flow of the program as and when required?
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_____________ controller controls the sequence of the flow of microinstructions.
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Which one of the following registers holds the instruction that is being executed?
20 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
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What functionality is performed by the instruction “str R8, 34” of SRC?
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The data movement instructions ___________ data within the machine and to or from input/output devices.
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In which one of the following addressing modes, the value to be stored in memory is obtained by directly retrieving it from another memory location?
24 / 50
Which one of the following portions of an instruction represents the operation to be performed?
25 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
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Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
27 / 50
Almost every commercial computer has its own particular ---------- language
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Execution time of a program with respect to the processor is calculated as:
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Computer system performance is usually measured by the ---------------
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Which field of the machine language instruction is the “type of operation” that is to be performed?
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Which one of the following registers holds the address of the next instruction to be executed?
32 / 50
Which operator is used to „name‟ registers, or part of registers, in the Register Transfer Language?
33 / 50
Which instruction is used to store register to memory using relative address?
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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.
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Which one of the following is the memory organization of EAGLE processor?
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Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
37 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
38 / 50
For the __________ type instructions, we require a register to hold the data that is to be loaded from the memory, or stored back to the memory
39 / 50
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
40 / 50
There are _________ types of reset operations in SRC
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_____________all memory systems are dumb, in that they respond to only two commands: read or write
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An “assembler” that runs on one processor and translates an assembly language program written for another processor into the machine language of the other processor is called a ----------------
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-----------is the ability of application software to operate on models of equipment newer than the model for which it was originally developed. Select correct option:
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45 / 50
What is the size of the memory space that is available to FALCON-A processor?
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Which one of the following is the highest level of abstraction in digital design in which the computer architect views the system for the description of system components and their interconnections?
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Which one of the following register(s) that is/are programmer invisible and is/are required to hold an operand or result value while the bus is busy transmitting some other value?
48 / 50
Identify the opcode, destination register (DR), source registers (SA and SB i/e source register A and source register B) from the following example. ADD R1, R2, R3
49 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
50 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
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