CS501-Midterm
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Computer system performance is usually measured by the ---------------
2 / 50
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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_______ operation is required to change the processor‟s state to a known, defined value.
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The data movement instructions ___________ data within the machine and to or from input/output devices.
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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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_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
7 / 50
Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
8 / 50
What does the instruction “ldr R3, 58” of SRC do?
9 / 50
What does the word „D‟ in the „D-flip-Flop‟ stands for?
10 / 50
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?
11 / 50
Almost every commercial computer has its own particular ---------- language
12 / 50
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.
13 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
14 / 50
The external interface of FALCON-A consists of a ________ data bus.
15 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
16 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
17 / 50
Which instruction is used to store register to memory using relative address?
18 / 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
19 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
20 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
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What functionality is performed by the instruction “lar R3, 36” of SRC?
22 / 50
-------------- performs the data operations as commanded by the program instructions.
23 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
24 / 50
What is the instruction length of the FALCON-A processor?
25 / 50
-----------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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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?
27 / 50
What is the size of the memory space that is available to FALCON-A processor?
28 / 50
Which one of the following portions of an instruction represents the operation to be performed?
29 / 50
“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
30 / 50
Which one of the following registers holds the address of the next instruction to be executed?
31 / 50
________ operation is required to change the processor‟s state to a known, defined value.
32 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
33 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
34 / 50
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?
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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 one of the following registers holds the instruction that is being executed?
37 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
38 / 50
The CPU includes three types of instructions, which have different operands and will need different representations. Which one of the instructions requires two source registers?
39 / 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
40 / 50
There are _________ types of reset operations in SRC
41 / 50
The code size of 2-address instruction is ________________.
42 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
43 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
44 / 50
What is the working of Processor Status Word (PSW)?
45 / 50
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?
46 / 50
Motorola MC68000 is an example of ---------microprocessor.
47 / 50
Which one of the following register holds the instruction that is being executed?
48 / 50
which type of instructions help in changing the flow of the program as and when required?
49 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
50 / 50
Execution time of a program with respect to the processor is calculated as:
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