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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.
Q. Determine the odd parity bit for F. Q. Convert the following from binary to decimal, hexadecimal, BCD and octal. a) 1000000011 b) 0001010110101 c) 1 Q. Convert the f
what is complex instruction set computer and reduced complex instruction set computer
Write the truth table of NOR gate. Ans. The truth table for NOR gtae is shown below:
Q. Illustrate working of Magnetic Bubble Memories? In many materials like garnets on applying magnetic fields certain cylindrical areas whose direction of magnetization is oppo
Parent class of all Java classes is? All Java class's parent class is java. lang.object.
What is system conception? It deals with genesis of an application and formulating tentative needs. The purpose of the system conception is to defer details and understand what
Single Instruction and Single Data stream (SISD) In this organisation, sequential implementation of instructions is executed by one CPU having a single processing element (PE
Creating Files for Writing Only Creating Files for Writing Only : To create a text file for writing only, pass "w" into fopen as the second argument. This example follows along
Q. What do you mean by Execution Unit? Execution unit performs all ALU operations. Execution unit of 8086 is of 16 bits. It also contains the control unit that instructs bus in
defination of query ?
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