Search over 10,000 free study notes
Over a million students use our free study notes to help them with their homework
Top answers
How to convert any binary number to decimal?
Let us take a binary number 10010111 . To make conversion easier let us write down numbers 0 to 7 under this binary number starting from the right side. These numbers will represent powers of 2. For each '1'...
MS
Answered by
Mantas S.
•
Computing tutor
6606 Views
How does a HDD (Hard drive disk) work?
A HDD is a mechanical form of storage, using electromagnetism to store and write data. Mechanical drives are very prone to data lose and breaking when moved around, due to their mechanical nature. They consi...
HB
Answered by
Harvey B.
•
Computing tutor
4497 Views
Name several sort algorithms of an array, their working principles and their efficency.
Bubble sort (compare two elements and switch them if one of them is higher than other, depending on ordering preference), iterate over the whole array of elements. Efficency O(n 2 ). Insert sort, make a sepa...
ES
Answered by
Egidijus S.
•
Computing tutor
3014 Views
Name the memories in the computer and rate them by the amount of space and their price. When should which be used.
Processor memory (cache), RAM (Random Access Memory), Hard memory (Hard Drive, Magnetic Tapes, Solid State drive). Processor is fastest, ram is next, hard is slowest. Processor is most expensive, then ram, t...
ES
Answered by
Egidijus S.
•
Computing tutor
3305 Views
Add the binary numbers 100101 and 101001 and convert them to decimal (they are unsigned integers). What are possible issues when adding the numbers?
The result is 1001110, which converted is 78. The problem that can occur is overflow, since original number is 6 digit, but result is 7, which may cause to drop the most significant bit and become 14 instead...
ES
Answered by
Egidijus S.
•
Computing tutor
4191 Views
←
36
37
39
40
41