CS501-Midterm
1 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
2 / 50
Execution time of a program with respect to the processor is calculated as:
3 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
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The external interface of FALCON-A consists of a ______address bus and ______a data bus.
5 / 50
Type A of SRC has which of the following instructions?
6 / 50
Which instruction is used to store register to memory using relative address?
7 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
8 / 50
Which one of the following is the memory organization of FALCON-E processor?
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________ operation is required to change the processor‟s state to a known, defined value.
10 / 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?
11 / 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
12 / 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
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14 / 50
Which one of the following register holds the instruction that is being executed?
15 / 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 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?
17 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
18 / 50
_____________ controller controls the sequence of the flow of microinstructions.
19 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
20 / 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?
21 / 50
Which one of the following is the memory organization of EAGLE processor?
22 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
23 / 50
What does the instruction “ldr R3, 58” of SRC do?
24 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
25 / 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?
26 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
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-------------- performs the data operations as commanded by the program instructions.
28 / 50
Computer system performance is usually measured by the ---------------
29 / 50
What is the instruction length of the SRC processor?
30 / 50
What is the size of the memory space that is available to FALCON-A processor?
31 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
32 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
33 / 50
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
34 / 50
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 type of instructions help in changing the flow of the program as and when required?
36 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
37 / 50
“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
38 / 50
The code size of 2-address instruction is ________________.
39 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
40 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
41 / 50
Which of the instruction is used to load register from memory using a relative address?
42 / 50
Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
43 / 50
The external interface of FALCON-A consists of a ________ data bus.
44 / 50
In which of the following instructions the data move between a register in the processor and a memory location (or another register) and are also called data movement?
45 / 50
Motorola MC68000 is an example of ---------microprocessor.
46 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
47 / 50
Which one of the following registers holds the instruction that is being executed?
48 / 50
There are _________ types of reset operations in SRC
49 / 50
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 ----------------
50 / 50
Which operator is used to „name‟ registers, or part of registers, in the Register Transfer Language?
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