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Category Archives: Computer Organization & Architecture

There are various classes of computer systems based on their computational speed, usage, and hardware. The following are some special-purpose systems according to specific applications.… Read More
Usually, any logic circuit has 2 states, i.e., in binary form (0 and 1). The buffer exhibits three states. It has 3 pins which include: Input… Read More
This article is about a decoding technique using the 74139, a 2-to-4 decoder. The above mentioned device has two 2-to-4 decoders inside, one is used… Read More
In handshake mode, when both the ports A and B are configured, port A uses the lower three signals of port C(i.e, PC0, PC1, PC2)… Read More
Monitor Operating System (MOS) of the Primer can be used to display results of the program at the LEDs in Hex or BCD by using… Read More
Prerequisite – Classification of Computers  Mini-Computer: Minicomputers are small Computers that are more powerful as compared to personal computers but they are less powerful if we… Read More
Instruction formats are classified into different types depending upon the CPU organization. CPU organization is again classified into three types based on internal storage: Stack… Read More
The memory is organized in the form of a cell, each cell is able to be identified with a unique number called address. Each cell… Read More
In 1971, DBTG(DataBase Task Group) realized the requirement for a two-level approach having views and schema and afterward, in 1975, ANSI-SPARC realized the need for… Read More
Computer is a device that makes our work easy. Computer is a device that helps us to complete our task easily and speedily. Computer doesn’t… Read More
The 8085 Microprocessor has Serial Input/Output lines consisting of two pins as follows: 1. Serial Output Data (SOD) 2. Serial Input Data (SID) They both… Read More
Prerequisite – Multilevel Cache Organisation Cache is a technique of storing a copy of data temporarily in rapidly accessible storage memory. Cache stores most recently used… Read More
MRAM stands for magnetoresistive random access memory and is a non-volatile type of RAM.  Magnetic state refers to the electrical resistance of a metal when… Read More
Ferro-electric Random Access Memory (FRAM) is a type of Random Access Memory, which uses a ferro-electric capacitor to achieve it’s non-volatility (content is not lost… Read More
Virtual Organization is a flexible network of separate entities which forms a collaboration by connecting companies, institutions or individuals delivering a product or service on… Read More

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