Answer:
Program:
A set of instructions that solves a purpose is a program, and in elaborate it can be high level, middle level and low level depending upon its nearness with programmer or the machine. If it is near the machine, its machine level or else its high level, or else its middle level programming language.
Stored Program concepts
The style in which the program is stored in computer, and that is byte (binary format) is the stored program concept.
Instruction Decoders
And the instruction decoder is the decoder that decodes the opcode.
Explanation:
The answer requires no further explanation.
Answer:
RAM
ROM
Hard Drive
Registers(Accumulator, Address Register, Storage Register, General Purpose Register)
Explanation:
CPU(Central Processing Unit) is the heart of the computer. it is useful for instruction execution . it mainly contains Control Unit (CU) and Arithmetic Logical Unit(ALU).
when CPU control unit wants to execute an instruction then it fetches the instruction from secondary memory(Hard Disk) to Main Memory(RAM) and read that from there. RAM is faster compared to Hard disk but it is not permanent storage. Useful to store data and instructions temporarily for execution.
when CPU performs Arithmetic and Logical Operations then it uses following registers to perform those operations. Register are a special type of memory location which is costly and very faster. These are also temporary storage locations
Accumulator :Collects the result of computation.
Address register : which keeps track of where a given instruction or piece of data is stored in memory.
Storage register: which temporarily holds data taken from or about to be sent to memory.
General-purpose register :which is used for several functions.
In c# you can declare properties and methods, not fields though
Answer:
Human visual behavior often includes searching, scanning, and monitoring.
While it should be possible to moderate the performance of these tasks based on the dimensions used in the table, it is often useful to analyze these situations using Signal Detection Theory (SDT).
Three suggestions for my favourite search engine that includes search are:
1. ensure that search results are graded according to the following categories using different colours:
- Most accurate and relevant results;
- Accurate and slightly relevant results
- Fairly accurate and fairly relevant results
These can help the users identify more easily the results to spend more time on. This categorisation can be done using colours. This is because of the way the eye functions. Unlike a camera snapshot, for example, the eye does not capture everything in a scene equally, but selectively picks out salient objects and features from the current context, and focuses on them so they can be processed in more detail.
2. Another suggestion is that attention needs to be paid to where people look most of the time. It is not out of place for people to instinctively avoid search results that have dollar signs or currency signs especially when they are not searching for a commercial item.
3. Lastly in displaying results that have images, it best to use sharp images. The theory suggests with respect to contrast, clarity and brightness that sharper and more distinct objects appear to be nearer, and duller objects appear to be farther away. To elicit the interest of the reader, targeted results or information from search engines must make use of the factors of contrast, clarity and brightness.
Cheers!
Answer:
Explanation:
The following code is written in Python. It is a function that takes in a string as a parameter, loops through the string and checks if each character is an alpha char. If it is, then it adds it to an output variable and when it is done looping it prints the output variable. A test case has been provided and the output can be seen in the attached image below.
def checkLetters(str):
output = ''
for char in str:
if char.isalpha() == True:
output += char
return output
