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What is difference between relative file and indexed sequential file?
Relative:- 1. In this mode the content of the program counter is added to the address part of the instruction to obtain the effective addressed. 2. Effective Address = Contents of the program counter + contents of address field. 3. No extra index bit is used. 4. Example:- EA = [ BX ] + [ SI ] + disp. EA = [ BX ] + [ DI ] + disp. Indexed:- 1. In this mode of addressing an attempt is made to avoid the use of two addressed for an operand. 2. Effective Address = Address field + contents of the specified - index registers. 3. In this extra index bit is used. 4. Example:- EA = [ BX ] + [ SI ] EA = [ BX ] + [ DI ]
Which mode BIOS must be used for 10 GB hard drives?
If your 10GB hard disk is not detected, you dont need to change any bios mode. The motherboard will have problem detecting the hard drive. Search for your bios updates to get your hard drive detected.
Features of udp?
provides connectionless, unreliable serviceso UDP faster than TCPadds only checksum and process-to-process addressing to IPused for DNS and NFSused when socket is opened in datagram mode
When using large mode to access a hard drive how is the 504 528 MB barrier broken?
LBA (logical block addressing) is a function of the drive electronics but can also be a weakness i the operating system (Win 3.1 versus Windows XP for example.)
Advantages of indexed sequential file organisation?
ADVANTAGES of INDEXED FILES 1. Quite easy to process, 2. With proper selection of a key field, records in a large file can be searched and accessed in very quickly. 3. Any field of the records can be used as the key. The key field can be numerical or alphanumerical. DISADVANTAGES of INDEXED FILES 1. Extra data structures have to be maintained (the COBOL run-time modules take care of these and it is not the programmers' concern). These extra data structures maintained on the disk can use up much disk space, especially for long key values. 2. The indexed files have to be reorganized from time time to get rid of deleted records and improve performance that gets gradually decreased with addition of new records.
Which addressing modes does an Intel 386 processor support?
* Direct * Register Indirect * Based Mode * Indexed Mode * Scaled Indexed Mode * Based Indexed mode * Based scaled indexed mode * Based Indexed mode with displacement * Based scaled indexed mode with displacement
What must the address be of an indexed addressing mode instruction be to make it same as a register indirect mode instruction?
zero -Aval Preet Singh
What must the address field of an indexed addressing mode instruction be to make it the same as a register indirect mode instruction?
zero -Aval Preet Singh
Which addressing scheme is not common for 8085 and 8086?
indexed addressing
What are addressing mode in microprocessor?
Addressing modes of 8051 are 1.Immediate Addressing Mode 2.Register Addressing Mode 3.Register Indirect Addressing Mode 4.Direct Addressing Mode 5.Implied Addressing Mode and 6.Relative Addressing Mode
What is the advantage of the indirect and indexed addressing mode?
The advantage of indirect and indexed addressing modes lies in their flexibility and efficiency for accessing data. Indirect addressing allows for dynamic memory access by using a pointer to the memory location, enabling easier management of data structures like arrays and linked lists. Indexed addressing, on the other hand, facilitates accessing elements within data structures by combining a base address with an offset, making it efficient for iterating through arrays and performing calculations with varying data sizes. Together, these addressing modes enhance program versatility and can lead to more efficient memory usage.
What are the different types of addressing modes?
literal and absolute direct are the registers
How many addressing mode of 8086 assembly language program?
there are five addressing modes in 8086 they are : 1->direct addressing 2->Indirect addressing 3->index addressing 4->immediate addressing 5->register addressing
What is addressing mood 8086?
In the context of the Intel 8086 microprocessor, "addressing mode" refers to the methods used to access data stored in memory. The 8086 supports several addressing modes, including immediate, direct, indirect, register, and indexed addressing. Each mode determines how the effective address of the operand is calculated, allowing for flexible data manipulation and access patterns. This versatility is crucial for efficient programming and memory management in assembly language.
How does 8085 access data from memory location?
Data can be accessed from memory by using the addressing modes, 8085 has 5 addressing modes namely,1. Immediate addressing mode 2. register addressing mode 3. direct addressing mode 4. indirect addressing mode 5. implied addressing mode
What is addressing mode of 'inx' instruction in 8085?
register direct addressing mode
How does indexed addressing differ from based addressing?
Indexed addressing uses an index register to modify the address of the operand, allowing for efficient access to arrays or tables by adding an offset to a base address. In contrast, based addressing uses a base register to provide a starting point for address calculation, typically for accessing data structures relative to a fixed memory location. Essentially, indexed addressing focuses on dynamic offsets for array elements, while based addressing relies on a static reference point. Both methods enhance memory access flexibility, but they serve different purposes in addressing schemes.
