CS501-Midterm
1 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
2 / 50
Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
3 / 50
Which one of the following registers holds the instruction that is being executed?
4 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
5 / 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
6 / 50
Motorola MC68000 is an example of ---------microprocessor.
7 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
8 / 50
Which one of the following is the memory organization of FALCON-E processor?
9 / 50
_______ operation is required to change the processor‟s state to a known, defined value.
10 / 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.
11 / 50
What does the word „D‟ in the „D-flip-Flop‟ stands for?
12 / 50
Which operator is used to „name‟ registers, or part of registers, in the Register Transfer Language?
13 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
14 / 50
which type of instructions help in changing the flow of the program as and when required?
15 / 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?
16 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
17 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
18 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
19 / 50
Which one of the following is a bi-stable device, capable of storing one bit of information?
20 / 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?
21 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
22 / 50
-------------- performs the data operations as commanded by the program instructions.
23 / 50
Which one of the following registers holds the address of the next instruction to be executed?
24 / 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
25 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
26 / 50
Execution time of a program with respect to the processor is calculated as:
27 / 50
Which instruction is used to store register to memory using relative address?
28 / 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?
29 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write.
30 / 50
What is the working of Processor Status Word (PSW)?
31 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
32 / 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?
33 / 50
34 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
35 / 50
There are _________ types of reset operations in SRC
36 / 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:
37 / 50
38 / 50
What is the instruction length of the SRC processor?
39 / 50
Almost every commercial computer has its own particular ---------- language
40 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
41 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
42 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
43 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
44 / 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?
45 / 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?
46 / 50
What does the instruction “ldr R3, 58” of SRC do?
47 / 50
Which of the instruction is used to load register from memory using a relative address?
48 / 50
Computer system performance is usually measured by the ---------------
49 / 50
The external interface of FALCON-A consists of a ________ data bus.
50 / 50
_____________ controller controls the sequence of the flow of microinstructions.
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