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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.
Compare single bus structure and multiple bus structure? A system that having only one bus(i.e only one transfer at a time) is known as a single bus structure. A system is know
Q. Develop a Menu driven program with following menu: a. Binary to Decimal b. Binary to Octal c. Binary to Hexadecimal d. Exit (Put proper validation for input
Illustrate the categories of micro computers Micro computers are usually categorized into desktop models and laptop models. They are awfully limited in what they can do when c
Q. Average data transfer rate in floppy? A floppy is about 0.64 mm thick and is available in diameters 5.25 inch and 3.5 inch. Data are arranged in form of tracks and sectors.
Aim: Build a program or application which gives an interface to the user to maintain his personal account for E-mails & should be able to work on the following applications. Des
Quantifiers and Variables - propositional model: There is one question is arrives that 'What do sentences containing variables mean?' In other way of words, how does a first-o
List the typical functions of operating systems. Classical functions of operating system are given as: (1) Process management: A process is a program throughout execution.
Why disable statements are not allowed in functions? If disble statement is used in function,it invalids function and its return value. So disable statements aren't
With the help of a neat diagram, explain the working of a weighted-resistor D/A converter. Ans Weighted Register D/A Converter: Digital input that has 4 bits
Define macros. A macro is a pre-processor directive which is a program that processes the source code before it passes by the compiler. These are placed in the source program
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