Teacher: Mr. Jeremaine McKenzieSubject: Information TechnologyGrade: 10 Pools A & BTopics: Data RepresentationDuration: 2 weeks (September )

Specific Objectives:Students should be able to:1. Explain and illustrate how floating point numbers are represented in: Sign, Mantissa & Exponent. 2. Explain how characters are represented in: ASCII & EBCBIC. 3. Illustrate how characters are represented in: ASCII.Procedure:Lesson 1: Re-teach Lesson 3 from previous planLesson 2: Lesson 4 Objectives from previous planLesson 3: Objectives 1, 2, 3. Discussion & Illustration using guided discovery. Notes with additional information. Lesson 4: TEST.

Culminating Activities:Lesson 1 & 2: Lesson 3 & 4 Activities from previous plan.Lesson 3: Students will be asked to:1. Represent 101012 and -.0.001012 in Sign, Mantissa & Exponent2. Find the ASCII code for C and L if the ASCII code for E is 010010102.Lesson 4: TEST

Evaluation: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

ST. ELIZABETH TECHNICAL HIGH SCHOOL

INFORMATION TECHNOLOGY TEST

TOPIC: DATA REPRESENTATION

GRADE: 10 POOL B

DATE: SEPTEMBER 2012

INSTRUCTIONS: Answer all questions.

1. Add the binary numbers 10010112 and 10011112.2. Subtract the binary number 1010112 from 1001102.3. Represent -2710 in Twos Complement and Sign & Magnitude.4. If the ASCII code the H is 010110112, find the ASCII Code for E and K.5. Convert 4610 to binary and hexadecimal.6. Convert 47 8 to hexadecimal and binary.7. Convert 1011112 to octal and decimal.8. Represent 0.00101012 in Sign, mantissa and Exponent.