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Qus: <p>Arrange the following memory types in the correct order from lowest to highest in speed and cost:</p><p>1️⃣ Hard Disk Drive (HDD)</p><p>2️⃣ Cache Memory</p><p>3️⃣ Registers</p><p>4️⃣ RAM (Random Access Memory)</p><p>5️⃣ Solid-State Drive (SSD)</p>

Qusनिम्नलिखित मेमोरी प्रकारों को गति और लागत में न्यूनतम से उच्चतम तक सही क्रम में व्यवस्थित करें:

A. 1 → 4 → 5 → 2 → 3
B. 4 → 2 → 3 → 5 → 1
C. 3 → 2 → 4 → 5 → 1
D. 1 → 5 → 4 → 2 → 3


Solution
D. 1 → 5 → 4 → 2 → 3



Explanation

Lowest Speed & Cost: HDD (slowest storage, highest latency).

Faster than HDD: SSD (flash memory, faster than HDD).

Primary Memory: RAM (temporary storage for active processes).

Very Fast: Cache Memory (small, high-speed memory near CPU).

Fastest & Most Expensive: Registers (inside CPU, stores instructions & data).