🧾 1. Data Transfer Instructions
Used to move data between registers, memory, and I/O.
|
Instruction |
Use |
|---|---|
|
|
Transfer data between registers/memory |
|
|
Stack operations (store/retrieve data) |
|
|
Exchange contents of two operands |
|
|
Input from or output to a port |
|
|
Load effective address |
|
|
Load pointer and segment |
|
|
Translate byte using lookup table |
➕ 2. Arithmetic Instructions
Perform basic math operations.
|
Instruction |
|---|
🧠 What Is Virtual Memory?
Virtual memory is a memory management technique that gives programs the illusion of having a large, continuous block of memory—even if the physical RAM is limited. It allows the system to use disk space (like HDD/SSD) as an extension of RAM.
This enables:
- Running large applications
- Multitasking
- Memory protection and isolation
🧩 How Is It Implemented?
🔹 Paging
- Memory is divided into fixed-size blocks:
- Pages (virtual memory)
- Frames (physical memory)
- A page
Faster, Smaller, Costlier
+---------------------+
| Registers | ← CPU internal
+---------------------+
| Cache | ← L1, L2, L3
+---------------------+
| Main Memory | ← RAM (DRAM)
+---------------------+
| Secondary Storage | ← HDD, SSD
+---------------------+
| Tertiary Storage | ← Optical, Tape
+---------------------
📐 Address and Data Line Calculation
Given: 16KB × 8 memory
- 16KB = 16 × 1024 = 16,384 locations
- Each location
🏗️ CISC (Complex Instruction Set Computer)
This style packs more complex instructions into the processor—some instructions might perform several tasks in one go. It reduces the number of instructions a programmer needs to write but makes the CPU’s internal logic more complicated and potentially slower for some tasks.
- Think: “Do more, but it might take longer.”
Commonly found in x86 architectures (your typical laptop or desktop), where compatibility and code density matter more than raw
von architechure
Here's a clean diagram of the Von Neumann Architecture for you.
In simple terms, it's a computer architecture model where the CPU, memory, and input/output devices all share a single communication pathway—the system bus. This design uses the same memory space for both instructions (programs) and data.
Let me know if you'd like a walkthrough of how instructions flow through this architecture or how it compares to Harvard Architecture!
Here’s a neat breakdown of the three key
...The 7 Ps of the services marketing mix are:
1. Product: The core service and any supplementary services. 2. Price: The monetary cost to the consumer, but also non-monetary costs like time and effort. 3. Place: The distribution channels and physical locations where the service is delivered. 4. Promotion: All communications with customers to inform, persuade, and remind them.
5. People: All human actors who play a part in service delivery and thus influence the buyer's perception,
including the firm'
# 1. Perceptron Algorithm
import numpy as np, random
class Perceptron:
def __init__(self, eta=0.01, n_iter=50, random_state=1):
self.eta, self.n_iter, self.random_state = eta, n_iter, random_state
def fit(self, x, y):
rgen = np.random.RandomState(self.random_state)
self.w_ = rgen.normal(0, 0.01, 1 + x.shape[1])
self.errors_ = []
for _ in range(self.n_iter):
errors = 0
...
Distinção entre herdeiro e legatário No ordenamento jurídico português, a distinção entre herdeiro e legatário baseia-se num critério legal e objetivo, previsto no artigo 2030.º do Código Civil. O herdeiro é aquele que sucede na totalidade ou numa quota-parte do património do falecido (art. 2030.º/1 e 2). Isso significa que não lhe são atribuídos bens específicos, mas sim uma fração abstrata da herança (por exemplo, 1/2 ou 1/3). Esta sucessão é chamada de universal, abrangendo
[6/19, 5:34 PM] My Sister: प्रश्न: गणित शिक्षण में शिक्षण सहायक सामग्री का वर्णन कीजिए। (दीर्घ उत्तर में)
उत्तर:
परिचय:
गणित एक अमूर्त विषय है, जिसे समझने और सिखाने के लिए केवल पाठ्यपुस्तकें पर्याप्त नहीं होतीं।...