logo

Pearson Edexcel GCSE (9-1) Computer Science practice

An 8-bit register contains the binary value 01111111. If this represents a signed integer using Two's Complement, what denary value does it hold?

Try the question first, then check the answer and practise the same topic again.

At a glance

MCQ

Type

practice

Style

Topic

Binary

Exam-style question

Try this first

An 8-bit register contains the binary value 01111111. If this represents a signed integer using Two's Complement, what denary value does it hold?.

  1. A.127
  2. B.255
  3. C.-1
  4. D.-127

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

No questions are published for this page yet.
An 8-bit register contains the binary value 01111111. If this represents a signed integer using Two's Complement, what denary value does it hold? | Edexcel Computer Science | ExamCompanion