Worksheetsquiz by mentaldisord3r
Total questions: 36
Worksheet time: 18mins
Computer Architecture Overview
Computer architecture is the design and organization of computer components.
Structure and Role of the Processor and Components
Technological Developments in Computer Architecture
Differences Between Computer Architecture and Organization
Data Manipulation Types
arithmetic operations (addition, subtraction), logic operations (AND, OR, NOT), shifting operations, and bit manipulation to perform calculations and control data flow.
How to Put a Datapath Together
Timing Issues and Controlling Data Flow
Making Selections Using Mux and Buses
Datapath Controlled by the Controller
Clock Cycle and Its Function
ALU in Detail
The Arithmetic Logic Unit (ALU) performs arithmetic and logic operations, such as addition, subtraction, and comparison, and is a crucial part of the CPU for data processing.
K-Maps and Their Purpose
Karnaugh Maps (K-maps) are used in digital design to simplify Boolean expressions and minimize logic gates, which helps optimize circuit designs in computer architecture.
Bit Slice Approach
Carry Lookahead Adder vs. Ripple Carry Adder
A carry lookahead adder calculates carry signals in advance, speeding up addition, whereas a ripple carry adder computes carry sequentially, resulting in slower performance.
Carry Propagation and Carry Generation
Carry propagation refers to the delay caused when a carry output is passed through subsequent bits. Carry generation is when a carry is produced during an addition operation.
Designing a 4-bit CLA
Hardware for 4-bit CLA and Total Delay
Super Block CLA, GSB0 and PSB0
A super block CLA is a larger version of CLA for more bits. GSB0 (generate) and PSB0 (propagate) signals are used to control carry generation and propagation at the super block level, improving performance.
Subtraction in ALU
Subtraction in the ALU is done by adding the two's complement of a number. This involves inverting the second operand's bits and adding 1, followed by standard binary addition
Registers and Their Types
Registers are small storage units within the CPU. Types include data registers (store operands), address registers (hold memory addresses), and status registers (store flags from operations).
Categories of Instruction Set Architecture
Instruction Formats
Instruction formats define how instructions are represented. Common formats include R-type (register), I-type (immediate), and J-type (jump). Each format specifies different fields like opcode, registers, and immediate values.
JAL Instruction
Jump and Link (JAL) is an instruction used in MIPS architecture to jump to a subroutine and store the return address in a register, enabling function calls within programs.
Five Stages of Execution
Jump and Link (JAL) is an instruction used in MIPS architecture to jump to a subroutine and store the return address in a register, enabling function calls within programs.
The five stages are: Instruction Fetch, Instruction Decode, Execute, Memory Access, and Write Back. Each stage handles specific parts of the instruction execution process.
In the datapath, the CPU performs tasks like instruction fetching, decoding, execution, and memory operations, allowing the successful execution of program instructions.
Pipelining is a technique where multiple instruction stages are overlapped. Each stage performs a part of the instruction in parallel, improving throughput by executing more instructions at once.
What is Done in the Datapath
In the datapath, the CPU performs tasks like instruction fetching, decoding, execution, and memory operations, allowing the successful execution of program instructions.
DLX Processor’s Five Clock Cycles
(fetch, decode, execute, memory access, write back)
Instructions Taking 5 Clock Cycles
Each instruction takes five clock cycles (fetch, decode, execute, memory access, write back) in a pipelined architecture, ensuring smooth execution of multiple instructions concurrently.
Pipelining Concept
Long combinational paths slow down execution. Adding more registers helps break these paths, reducing delays and improving overall system speed in a pipelined architecture.
Pipelining is a technique where multiple instruction stages are overlapped. Each stage performs a part of the instruction in parallel, improving throughput by executing more instructions at once.
To achieve pipelining, additional hardware like pipeline registers and control logic is added to separate different stages and handle data hazards, timing, and synchronization.
Common problems include hazards (data, control, and structural), resource conflicts, and branch mispredictions, all of which can cause pipeline stalls or flushes.
Long Combinational Paths and Register Use
Modifying Hardware for Pipelining
Problems in Pipelining
Different kinds of Hazards in Pipelining?
Structural Hazards and How to Solve Them?
Data Hazards and How to Solve Them?
Comparing Destination with Source in Data Hazards?
Forwarding Technique in Pipelining with Example?
