CS501-Midterm
1 / 50
The data movement instructions ___________ data within the machine and to or from input/output devices.
2 / 50
What functionality is performed by the instruction “str R8, 34” of SRC?
3 / 50
_________control signals enable the input to the PC for receiving a value that is currently on the internal processor bus.
4 / 50
Which one of the following registers stores a previously calculated value or a value loaded from the main memory?
5 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC is __________ wide.
6 / 50
Computer system performance is usually measured by the ---------------
7 / 50
Which one of the following register holds the instruction that is being executed?
8 / 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?
9 / 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?
10 / 50
The instruction ___________ will load the register R3 with the contenets of the m\emory location M [PC+56]
11 / 50
“If P = 1, then load the contents of register R1 into register R2”. This statement can be written in RTL as:
12 / 50
The external interface of FALCON-A consists of a ________ data bus.
13 / 50
The code size of 2-address instruction is ________________.
14 / 50
Register-register instructions use ____________ memory operands out of a total of 3 operands
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
What is the instruction length of the FALCON-A processor?
17 / 50
What does the word „D‟ in the „D-flip-Flop‟ stands for?
18 / 50
Which field of the machine language instruction is the “type of operation” that is to be performed?
19 / 50
________ operation is required to change the processor‟s state to a known, defined value.
20 / 50
___________ or Branch instructions affect the order in which instructions are performed, or control the flow of the program
21 / 50
Type A of SRC has which of the following instructions?
22 / 50
FALCON-A processor bus has 16 lines or is 16-bits wide while that of SRC _____wide.
23 / 50
The external interface of FALCON-A consists of a ______address bus and ______a data bus.
24 / 50
What does the instruction “ldr R3, 58” of SRC do?
25 / 50
which type of instructions help in changing the flow of the program as and when required?
26 / 50
Which of the instruction is used to load register from memory using a relative address?
27 / 50
What is the working of Processor Status Word (PSW)?
28 / 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?
29 / 50
Which one of the following is the memory organization of EAGLE processor?
30 / 50
To access an operand in memory, the CPU must first generate an address, which it then issues to the __________
31 / 50
What is the size of the memory space that is available to FALCON-A processor?
32 / 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?
33 / 50
_______ operation is required to change the processor‟s state to a known, defined value.
34 / 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:
35 / 50
Execution time of a program with respect to the processor is calculated as:
36 / 50
Motorola MC68000 is an example of ---------microprocessor.
37 / 50
Which one of the following registers holds the instruction that is being executed?
38 / 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:
39 / 50
Flip-flop is a ____________device, capable of storing one bit of Information
40 / 50
What functionality is performed by the instruction “lar R3, 36” of SRC?
41 / 50
_________ control signal allows the contents of the Program Counter register to be written onto the internal processor bus.
42 / 50
Which one of the following is the memory organization of FALCON-E processor?
43 / 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
44 / 50
What is the instruction length of the SRC processor?
45 / 50
46 / 50
Which one of the following registers holds the address of the next instruction to be executed?
47 / 50
How can we refer to an instruction register (IR), of 16 bits (numbered 0 to 15) using RTL?
48 / 50
-------------- performs the data operations as commanded by the program instructions.
49 / 50
Which one of the following is a bi-stable device, capable of storing one bit of information?
50 / 50
Which instruction is used to store register to memory using relative address?
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