CS501-Midterm
1 / 50
The external interface of FALCON-A consists of a ________ data bus.
2 / 50
Which one of the following register holds the instruction that is being executed?
3 / 50
Type A of SRC has which of the following instructions?
4 / 50
_____________ controller controls the sequence of the flow of microinstructions.
5 / 50
What is the working of Processor Status Word (PSW)?
6 / 50
Which one of the following is the memory organization of FALCON-E processor?
7 / 50
Almost every commercial computer has its own particular ---------- language
8 / 50
Which one of the following registers holds the address of the next instruction to be executed?
9 / 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 ----------------
10 / 50
Which instruction is used to store register to memory using relative address?
11 / 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.
12 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
13 / 50
Which one of the following registers holds the instruction that is being executed?
14 / 50
Computer system performance is usually measured by the ---------------
15 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write.
16 / 50
17 / 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?
18 / 50
There are _________ types of reset operations in SRC
19 / 50
What does the instruction “ldr R3, 58” of SRC do?
20 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
21 / 50
Motorola MC68000 is an example of ---------microprocessor.
22 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
23 / 50
Execution time of a program with respect to the processor is calculated as:
24 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
25 / 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:
26 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
27 / 50
Which one of the following is the memory organization of EAGLE processor?
28 / 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?
29 / 50
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
30 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
31 / 50
-------------- performs the data operations as commanded by the program instructions.
32 / 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:
33 / 50
What is the instruction length of the SRC processor?
34 / 50
“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
35 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
36 / 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?
37 / 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
38 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
39 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
40 / 50
Which of the instruction is used to load register from memory using a relative address?
41 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
42 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
43 / 50
Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
44 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
45 / 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?
46 / 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?
47 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
48 / 50
which type of instructions help in changing the flow of the program as and when required?
49 / 50
_______ operation is required to change the processor‟s state to a known, defined value.
50 / 50
The code size of 2-address instruction is ________________.
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