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What is Random access memory (RAM)
This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Before a program can be ran it should first be loaded into RAM that allows CPU to access the program. Battery-backed RAMs overcome data loss on switching power off though are outside the scope of these booklets.
(NOTE: For completeness, it's worth mentioning that two types of RAM exist termed as SRAM (static RAM) and DRAM (dynamic RAM) - SRAM doesn't need to be constantly refreshed to retain its memory unlike DRAM. Also consider that computers use cache which is a part of memory made from SRAM. Memory caching works as programs generally access the same data or instructions over and over again. By retaining as much information as possible in SRAM, computer operates more quickly (cache is generally termed level 1, 2 or 3 (termed L1, L2 or L3)).
Give brief summary of common aspects found in spreadsheets - It's made up of columns and rows; every row is identified by a number and every column is identified with a letter
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
Address phase: A PCI bus transaction starts having an address phase. The initiator, after seeing that it has GNT# and the bus is inactive, drives the target address onto the
What is verilog case (1) ? wire [3:0] x; always @(...) begin case (1'b1) x[0]: SOMETHING1; x[1]: SOMETHING2; x[2]: SOMETHING3; x[3]: SOMETHING4; endcase
Use the input capture to control the digital clock. In this part, there will be two switches to control the clock, one is for starting the clock and one is for stopping the clock.
Q. Set up to Use parallel virtual machine? PVM employs two environment variables when starting and running. Each and every PVM user needs to set these two variables to employ P
Q. Graphic symbol of S-R flip-flop? R-S Flip flop - Graphic symbol of S-R flip-flop is displayed in Fig below. It has 3 inputs S (set), R (reset) and C (for clock). Q(t+1) is
First-Order Logic We, as humans, have always prided ourselves on our ability to think things through for this reason things are out and come to the only conclusion possible in
Why IO devices cannot be directly be connected to the system bus? The IO devices cannot be directly linked to the system bus because i. The data transfer rate of IO device
What are the advantages of using structure in C Program Declaring a struct is a two-stage process. The first stage defines a new data type that has the required structure which
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