Compare and contrast the characteristics and/or organization of the following:
(i) DRAM Vs. SRAM
(ii) Access time on Magnetic disks Vs. access time on Magnetic tapes
(iii) Pen Drive Vs. CD-RW
(iv) ROM Vs. PROM
(c) Convert the following numbers as stated:
(i) Decimal 64.005125 to binary
(ii) Decimal 2376 to hexadecimal
(iii) Character A and Z to ASCII and Unicode Hexadecimal CFE9A to binary
### (i) DRAM Vs. SRAM
DRAM (Dynamic Random Access Memory):
* Volatile memory (loses data when power is off).
* Requires periodic refresh cycles to retain data.
* Slower access time compared to SRAM.
* More cost-effective and denser, allowing for higher storage capacity in smaller spaces.
* Commonly used for main memory in computers.
SRAM (Static Random Access Memory):
* Volatile memory, but doesn’t require refresh cycles like DRAM.
* Faster access time than DRAM.
* More expensive and takes up more space per bit of data stored, resulting in less capacity.
* Used for cache memory and in applications requiring faster data access.
### (ii) Access time on Magnetic Disks Vs. Access time on Magnetic Tapes
Magnetic Disks:
* Random access storage, meaning data can be accessed at any point without the need to read through other data.
* Faster access time, generally ranging from milliseconds.
* Suitable for applications needing frequent, fast access to data (e.g., hard _____ ___ _________ ____ ___ _____ ______ _________ ______ _____ ___ ________.
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