Search our library of All subjects GCSE questions

Top answers

All subjects

GCSE

James would like to store a video clip that is 20 frames per second and has a duration of 76 seconds. The resolution of this video is 1280x720 with a colour depth of 24 bits. Calculate the storage requirement for the uncompressed video clip.

2076128072024

3.36x10^10 bits

4.2x10^9 bytes

4.1x10^6 Kb

4007.81 Mb
<...

Answered by Michael D. • Computing tutor

823 Views

What is the purpose of RAM?

RAM or Random Access Memory allows for programs to be loaded into a volatile storage medium, this simply means that a program can only be run if it had been loaded into RAM.Once the computer shuts off the...

Answered by Darshan P. • Computing tutor

1076 Views

Describe and explain how the operating system abstracts memory management away from a systems programmer.

First Lets define the terms:Operating System - System software that manages computer hardware, userspace programs and essential kernel space programsMemory Management - A system that can dynamically alloc...

Answered by Kyle C. • Computing tutor

800 Views

Show how you would calculate 53 + 39 in 8-bit binary?

First convert each number to binary. 53 = 00110101. 39 = 00100111.Then add the two binary numbers, considering each column of bits from right to left and using carry bits. 0011010100100111 +0100111...

Answered by Paolo M. • Computing tutor

990 Views

Describe the process used by a binary search algorithm, and explain why binary search would not be appropriate for the list [3,2,5,7,9]

A binary search starts at the middle of the list and compares this item with the search term, if the item matches the search term, then the search is complete.If the item is not the search term, it is com...

Answered by William H. • Computing tutor

877 Views