GCSE (9–1) Computer Science
J277/01 Computer Systems
Time allowed: 1 hour 30 minutes
*J27701*
*1426562763*
© OCR 2024 [601/8355/X]
DC (PQ) 334877/5
2
© OCR 2024
1
(a) The following table has either the binary or denary value of 3 numbers.
Complete the table by converting the 8-bit binary number into denary and the denary number into
8-bit binary.
8-bit Binary Denary
11110000
105
00011110
[3]
(b) Complete the table by writing the answer to each statement.
Statement Answer
The smallest denary number that can be
represented by a 4-bit binary number
The largest denary number that can be
represented by a 6-bit binary number
The maximum number of different colours
that can be represented with a colour depth of
7-bits
The minimum number of bits needed to
represent 150 different characters in a
character set
[4]
(c) Show the result of a left binary shift of 4 places on the binary number 00001111.

No comments found.

jordancarter 7 months ago

This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!

A. You will receive a PDF that is available for instant download upon purchase. The document will be accessible to you at any time, from anywhere, and will remain available indefinitely through your profile.

A. Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

A. you are buying this document from us learnexams

A. No, you only buy these notes for $ indicated . You are not obligated to anything after your purchase.

A. check our reviews at trustpilot

Add To Cart

Buy Now