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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.
Define the password methods and Biometric systems for implementing client server network security. In cyberspace, buyers and sellers cannot notice each other. Also within video
The commands through Which an ABAP/4 Module can "branch to " or "call" the next screen are Set screen Call screen , Leave screen, Leave to screen
What is MMU? MMU is the Memory Management Unit. It is a special memory control circuit used for executing the mapping of the virtual address space onto the physical memory.
Q. How will these instructions perform? Let's assume that above machine instructions are stored in three consecutive memory locations 1, 2 and 3 and PC contains a value (1) tha
Vector-Memory Instructions When vector operations with memory M are carried out then these are vector-memory instructions. These instructions are referred with the subsequent f
Which Command permits for vertical alignment of fields one below the other. UNDER Command is used ofr vertical alignment.
explain different design interrupt processing?
A given microprocessor has words of 1 byte. What is the smallest and largest integer that can be characterized in the following representations? a) unsigned b) sign- ma
dear sir,kindly describe the above tpoic completely
Advantages on electronic payment system It gives good security schemes. Four necessary security requirements for safe e-payments are Authentication, Encryption, Integrity,
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