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Computer Memory
The computer memory is a physical device used to store data or programs for use in a computer. Some types of computer memory include RAM (random access memory), ROM (read-only memory), and page cache.
4,434 Questions
Short note on motherboard of computer?
motherboard is a most important part of system.Motherboard also now as main board or main CKT board or plaenboard all the component of system intrigrated are attached vaya motherboard.
What is an escape character in Java?
The escape character, the back slash: \, is the character that signals the following character is not what it normally means, i.e. as a reserved symbol, or as a new symbol.
The uses of the escape character include:
In Strings when " or ' is a required part of the string
String example1 = "She said,"Hello""; //the escape sequence signifies the " is actually //a " not the end of the String literal.
In Formatting Strings
\n means new line
\t means tab
i.e.
System.out.println("Hello\nHow are you?\tFine thank you.");
// Prints
// Hello
// How are you? [tab] Fine thank you.
And of course the really idiosyncratic one:
When the back slash is essential to a string, and you don't want it to be a escape character:
\\ means \
i.e.
System.out.println("\");
// Prints \
Difference between register and memory?
Registers are storage locations internal the the processor. CPU instructions operate on these values directly. On RISC processors, all data must be moved into a register before it can be operated. On CISC (Intel) chips, there are a few operations that can load data from RAM, process it, and save the result back out, but the fastest operations work directly with registers.
Also, there are registers that are set aside for certain tasks, these generally include a program counter, stack, and flags.
Each register also has a size that determines the maximum amount of data that can be processed at a time. The registers on Pentium chips, for example, are 32 bits.
Finally, there are generally only a few registers available on a processer. Intel chips, for example, have 6 general purpose registers, and several specialized registers including a base register, stack register, flags register, program counter, and some addressing registers.
Memory, or RAM, is located external to the CPU. Generally speaking, data has to be loaded into a CPU register from memory before the CPU can process it, RAM is much slower than registers, there is a lot more RAM than registers, and generally memory can be addressed on a byte boundaries, where registers may not be able to access all the bytes in a register.
To summarize: in general, registers are temporary storage in the CPU that holds the data the processor is currently working on, while RAM holds the program instructions and the data the program requires.
Hopefuly this helps,
--Eric Tolman
If we use 7 binary digits (Computers counting systems is binary) we end up with 127. That isn't enough to hold all the characters. So we make it 8 binary digits. The maximum number for 8 binary digits is 11111111. Which in our counting system is 255.
AnswerASCII is a 7-bit character encoding, so it has only 128 codes: 0 through 127. The upper 128 codes in an 8-bit byte (128 through 255) are unused and undefined by ASCII, but many ASCII extensions (such us ISO-8859-1) make use of those unused codes.What commands clear the computers memory?
When you turn it off, all memory is lost. You usually end up with pseudo-random patters.
To actively clear all mem would require a machine language program ... which would be wiped in the process.
The RAM is like a dish holder. When required the disk is used and when the process is complete we keep the dishes back in its place again. Imagine the dishes to be empty spaces in the RAM. When a software or a program wants to run then a dish is utilised in the process and when the program is terminated the dish is again placed back in its place so that other programs can utilise the free space.
it have 40 pins 1st one is ground
and last one is Vcc. Itplh = 450
What are the functions of DRAM memory?
Main memory is the storage that is directly available to the CPU of a computer and is made3 up of RAM and ROM. RAM's (Random Access Memory) purpose is to hold the data and instructions temporarily which the CPU will process. ROM's (Read Only Memory) function is to hold data necessary for starting up the computer permanently , whose contents cannot be changed by the user.
Explain the concept of memory interleaving?
Interleaving is an advanced technique used by high-end motherboards/chipsets to improve memory performance. Memory interleaving increases bandwidth by allowing simultaneous access to more than one chunk of memory. This improves performance because the processor can transfer more information to/from memory in the same amount of time, and helps alleviate the processor-memory bottleneck that is a major limiting factor in overall performance.
Microsoft Word and Word Perfect are two types of word Processing systems. There are others out these but these are just two examples.
Which of the following types of memory contain data that cannot be modified by the user?
Pick one:
ROM, PROM, EPROM
write-protected magnetic disk/tape, CD-ROM, DVD-R
write-protected partition/file, other user's or sysadmin's file
code-segment, read-only data-segment, other user's or kernel's code- or data-segment
What happen if you Mix RAM sticks of different speeds?
Yes you can mix the ram, but the ram will default to the slowest of the set and only run at the slower speed.
AND gates are used to combine multiple signals, if all the signals are TRUE then the output will also be TRUE. If any of the signals are FALSE, then the output will be false.
ANDs aren't used as much as NAND gates; NAND gates use less components and have the advantage that they be used as an inverter.
ANSWER: And is a logical function of two or more implication. To make a statement to be true all inputs must be true otherwise the output is false. While the applications are extensively used in computer. This function was used long before computer as a logic discussion or statement. JFK believe in equality the Russians also believe in equality does it make JFK a communist? by implication it does.
A computers has 512 mb memory how many characters can be stored in its memory at a time?
512 x 1024 bytes
Example of main memory of computer?
RAM or Random Access Memory is Tempory memory which your computer uses to load programs such as windows or games
Your Hard Drive is an example of permanent memory on your computer where you can save documents/games etc. So when you load up your PC the computer reads the HD and loads up your OS (eg Windows) into your RAM.
What type of computer uses the 68-pin micro-dimm and 144-pin so-dimm?
The type of computers that uses 68-pin micro-dimm and 144-pin so-dimm. :P problem... you just got trolled.
He is the seventh avatar(incarnation) of Lord Vishnu. Born as the son of Dasaratha(father) and Kausalya(mother). The meaning of the word Rama is "Ramyathe ithi Ramaha" (sankrit) translation: "One who pleases your heart is Rama". rama is the husband of "sita" who is the daughter of king Janaka of Mithila.
Rama's life and journey symbolizes how one should have perfect
adherence of dharma despite harsh tests of life and time. He is the
embodiment of truth, of morality, the ideal son, and above all, the
ideal king. Rama is Maryada Purushottama, or The Perfect Man. More About Ram
Ram is the one who liberated the world from the evil of Ravan.
Ram is Hanuman's lord.
Ram is one of the most worshiped incarnations of Vishnu.
Ram is brother of Lakshman, Bharat, Satrughna
Ram is the one who crossed the ocean to Lanka by building the Ram setu which is today's Adam's Bridge ( claimed to be ).
Though Ram is to be everything, everywhere, everytime.
Jai shri Ram! :)
Aupmanyav adds: Both what Srigiridhar and drrsunderraj say is correct. There is no need to cross anything out.
XDR DRAM or extreme data ratedynamic random access memory is a high-performance RAM interface and successor to the Rambus RDRAM it is based on.
How many kilobytes are in a megabyte?
Roughly, there are about 1000 kilobytes (KB) in a megabyte (MB).
More specifically, there are three possible definitions of the megabyte:
- 1000×1000 bytes (SI international standard, used in disk drives, networking, etc.)
- 1024×1024 bytes (common in memory manufacturer specs and some old floppy disks)
- 1024×1000 bytes (the "1.44MB" floppy, which IBM introduced with their first personal computer, and some other uses)
So the actual number may be either 1000, 1024, or 1049 kilobytes in a megabyte, depending on the definitions you use for each.
The difference is due to the use of binary addressing in memories (1024 = 210).
How many hexadecimal digits are used to locate an address in the memory?
depends on the depth of memory, N address lines can map 2 Power N locations.
