O-LevelComputer ScienceData Representation2210/12 · Oct/Nov 2019 · Q43 Marks
An 8-bit binary register contains the value: 0 0 1 1 0 1 0 0
- (a)Convert the binary value to denary.[1]
- (b)The contents of the register shifted one place to the right would give the result: 0 0 0 1 1 0 1 0 The contents of the register shown at the start of question 4 are shifted two places to the left. Show the contents of the register after this shift has taken place.[1]
- (c)State the effect this shift has on the denary value in part (a).[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.
- [1] (a) 52
- [1] (b) 1 1 0 1 0 0 0 0
- [1] (c) It is multiplied by 4
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →