CS501-Midterm
1 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
2 / 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?
3 / 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?
4 / 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?
5 / 50
Motorola MC68000 is an example of ---------microprocessor.
6 / 50
_______ operation is required to change the processor‟s state to a known, defined value.
7 / 50
What is the instruction length of the SRC processor?
8 / 50
Which one of the following registers holds the address of the next instruction to be executed?
9 / 50
Which one of the following is a bi-stable device, capable of storing one bit of information?
10 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
11 / 50
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
12 / 50
The code size of 2-address instruction is ________________.
13 / 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:
14 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
15 / 50
What is the instruction length of the FALCON-A processor?
16 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
17 / 50
Execution time of a program with respect to the processor is calculated as:
18 / 50
Computer system performance is usually measured by the ---------------
19 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
20 / 50
Which operator is used to „name‟ registers, or part of registers, in the Register Transfer Language?
21 / 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:
22 / 50
What is the size of the memory space that is available to FALCON-A processor?
23 / 50
________ operation is required to change the processor‟s state to a known, defined value.
24 / 50
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?
25 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
26 / 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 ----------------
27 / 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
28 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
29 / 50
Which one of the following register holds the instruction that is being executed?
30 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
31 / 50
What does the word „D‟ in the „D-flip-Flop‟ stands for?
32 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
33 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
34 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
35 / 50
36 / 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?
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 external interface of FALCON-A consists of a ________ data bus.
39 / 50
There are _________ types of reset operations in SRC
40 / 50
_____________ controller controls the sequence of the flow of microinstructions.
41 / 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.
42 / 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?
43 / 50
-------------- performs the data operations as commanded by the program instructions.
44 / 50
which type of instructions help in changing the flow of the program as and when required?
45 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
46 / 50
Which of the instruction is used to load register from memory using a relative address?
47 / 50
Which one of the following portions of an instruction represents the operation to be performed?
48 / 50
Which one of the following is the memory organization of EAGLE processor?
49 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
50 / 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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