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Q. Describe Memory and Memory unit?
Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jump, decision-making instructions are frequently encountered in programming. As well more than one data element may be needed at a time. Hence a temporary storage area is required in a computer to store temporarily the instructions as well as the data. This element is termed as memory.
Memory unit stores all information in a group of memory cells like a group of 8 binary digits (which is a byte) or 16 bits or 32 bits and so on. These groups of memory cells or bits are known as memory locations. Every memory location has a unique address and can be addressed individually. Contents of desired memory locations are supplied to CPU by referring to address of memory location. Amount of information which can be held in main memory is termed as memory capacity. Capacity of main memory is measured in Mega Bytes (MB) or Giga Bytes (GB). One-kilo byte denotes 210 bytes that are 1024 bytes (or just about 1000 bytes). A Mega byte denotes 220 bytes that is near about a little over one million bytes and a giga byte is 230 bytes.
Draw a simple schematic for managing dynamic storage allocation. A simple schematic for managing dynamic storage allocation is as follows: Block size pointe
Q. Fundamental types of flash memory? Code Storage Flash which is made by Intel, AMD, Atmel. It stores programming algorithms and it is largely found in cell phones. Data
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What is assembler directive? SUM EQU 200 Assembler directives are not instructions that will be implemented. It easily informs the assembler that the name SUM should be chan
What is a flip-flop? Ans. Flip-flop is particular bit memory cell. This stores individual bit information in its true and compliment form. It is the basic block of any sequ
What is a demultiplexer? Ans: Demultiplexer: This is a logic circuit which accepts one data input and distributes this over some outputs. This has one data input, m selec
Why is the Wait-For-Memory-Function-Completed step required when reading from or writing to the main memory? WMFC step is needed for the write control signal / read control si
what is polymorphism
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