Logic Systems N5 — Document

August 2021 — N5 — Logic Systems

N5 2021 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 47 items found 📚 1 topics

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Q1— Section header —

Q2— Section header —

Q3— Section header —

3.1A flip flop that is connected to toggle divides its clock input frequency by two. Make a sketch of a frequency dividing circui t that will convert an input freque ncy of 800 Hz to 200 Hz.

3.2What is the purpose of the time base divider in a frequency counter? (5\

3.3Name FIVE types of digital measurement. (5\ [15] 808029515

Q4— Section header —

4.15\ in the ANSWER BOOK.

4.1Four left shifts of 0100 in a ing counter results in 0010 2.

4.2Two right shifts of 1000 results in 0010

4.3Two left shifts of 0001 results in 0100

4.41000 and 0001 are both Johnson and Ring code numbers.

4.5A Ring counter and a Johnson counter are one and the same.

4.6A Johnson counter circulates more than one 1 in each number.

4.7A Johnson counter is a shift register.

4.8A parallel in serial out shift register converts serial input to parallel output.

4.9A circulating shift register has its serial output connected to its serial input.

4.10A circulating shift register has its serial input connected to its serial input.

4.11Series in series out shift registers are also known as SIPO registers.

4.121000 is a Johnson Code number.

4.13A shift of data from LSB to MSB is called right shifting

4.14Shift registers are used to count clock pulses.

4.15Shift registers are used mainly to store and shift data. (15 1\ [15]15

Q5— Section header —

5.1The ALU is the circuit responsible for the processing of numbers, i.e. adding, subtraction, multiplication and division of numbers. Draw a block diagram of a typical logic multiplier. (8\

5.2Explain the operation of the logic multiplier in

Q5— Section header —

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6.1Explain the purpose of internal memory such as SRAM, DRAM and Hard Disk storage. (5\

6.2Choose a description from COLUMN B that matches the type of memory in COLUMN A. Write only the letter (A J\next to the question number (6.2.1

6.2.10\n the ANSWER BOOK. COLUMN A COLUMN B

6.2.10RAM memory SRAM memory DRAM memory ROM memory Magnetic

Q7— Section header —

7.1Indicate which of the following printers are IMPACT printers or NON IMPACT printers by writing only

7.1.5\n the ANSWER BOOK.

7.1.1type of roll (drum\rinter

7.1.2Inkjet printer

7.1.3ot matrix printer

7.1.4haracter at a time printer

7.1.5Thermal printer (5 1\ (5\

7.2Indicate whether the following statements are TRUE or FALSE. Write down only 'T rue or 'F alse

7.2.5\in the ANSWER BOOK.

7.2.1A drum printer uses a laser to print characters.

7.2.2The dot matrix printer is a character at a time printer.

7.2.3Plotters are used to print large images onto large sheets of paper.

7.2.4The thermal printer uses ordinary paper.

7.2.5Impact printers are generally slow printers. (5 1\ (5\ [10] TOTAL: 10010

Topics Identified

Business Plan

Mark Allocation

Total100 marks

Sections15 + 15 + 15 + 15 + 15 + 15 + 10 = 100 marks

Paper information

TitleDocument

SubjectLogic Systems

LevelN5

Document typeQuestion paper

Year2021

MonthAugust

Pages6

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,897

About Logic Systems examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

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For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

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A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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