CS501-Midterm
1 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
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
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
4 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
5 / 50
Which one of the following register holds the instruction that is being executed?
6 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
7 / 50
Almost every commercial computer has its own particular ---------- language
8 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
9 / 50
Which instruction is used to store register to memory using relative address?
10 / 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?
11 / 50
Type A of SRC has which of the following instructions?
12 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
13 / 50
Execution time of a program with respect to the processor is calculated as:
14 / 50
15 / 50
Which operator is used to „name‟ registers, or part of registers, in the Register Transfer Language?
16 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write
17 / 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?
18 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
19 / 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.
20 / 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:
21 / 50
The external interface of FALCON-A consists of a ________ data bus.
22 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
23 / 50
Which one of the following registers holds the instruction that is being executed?
24 / 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:
25 / 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?
26 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
27 / 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?
28 / 50
What is the size of the memory space that is available to FALCON-A processor?
29 / 50
Computer system performance is usually measured by the ---------------
30 / 50
Which one of the following is the code size and the Number of memory bytes respectively for a 2-address instruction?
31 / 50
_______ operation is required to change the processor‟s state to a known, defined value.
32 / 50
Which of the instruction is used to load register from memory using a relative address?
33 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
34 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
35 / 50
What is the working of Processor Status Word (PSW)?
36 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
37 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
38 / 50
________ operation is required to change the processor‟s state to a known, defined value.
39 / 50
_____________all memory systems are dumb, in that they respond to only two commands: read or write.
40 / 50
“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
41 / 50
The code size of 2-address instruction is ________________.
42 / 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
43 / 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?
44 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
45 / 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 ----------------
46 / 50
Which one of the following registers holds the address of the next instruction to be executed?
47 / 50
Motorola MC68000 is an example of ---------microprocessor.
48 / 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
49 / 50
Which one of the following portions of an instruction represents the operation to be performed?
50 / 50
What is the instruction length of the FALCON-A processor?
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