Computer Science - Paper 1
What is a computer?
A electronic device that takes input, processes data and delivers an output.
What is a program?
A set of instructions.
What are computer systems made up of?
Computer systems are made up of hardware and software which work together.
What is hardware?
Hardware is the physical components of the computer.
What is primary storage?
The memory in which the computer can store the data or instructions that are currently in use.
Is primary storage and secondary storage hardware or software?
Hardware.
What are the different types of primary storage?
Random access memory (RAM) & Read only memory (ROM).
What is secondary storage?
The memory in which the computer can store the data or instructions which are not currently in use.
What are the main types of secondary storage?
Hard disk drives (HDD), Solid state drives (SSD), Compact disk (CD), Flash (USB drive).
What is a processor?
A component that processes data and instructions to control other components within the computer.
Is a processor hardware or software?
Hardware.
What are the different types of processors?
Central processing unit (CPU) & Graphic processing unit (GPU).
What are input/output devices?
Allow users to input data into the computer or receive a data output from the computer.
Name some examples of I/O devices.
Keyboards, Mouse, Speakers.
What is a general purpose system?
A computer system that can be programmed to perform many different tasks.
Name some examples of general purpose systems.
Smartphones, PCs.
What is a embedded system?
A computer system with a dedicated function within a larger device.
Name some examples of embedded systems.
Traffic lights, Sat-navs, Calculators.
What does Von Neumann architecture consist of?
ALU, CU & Registers.
What is an ALU?
Part of the CPU that performs all off the arithmetic and logical decisions.
What is an CU?
Sends control signals to other components to control how data moves around the CPU.
What is a clock?
Coordinates the CPUs activity.
What is a decoder?
Decodes a programs instructions.
What are the main components of the CU?
Clock & Decoder.
What are registers?
Super-fast pieces of onboard memory inside the CPU, each with a specific purpose.
What is a MDR?
Holds the data that has been retrieved from the memory or that is about to be stored in the memory.
What is a MAR?
Holds the address of the location in the memory where data is to be retrieved or stored.
What is an accumulator?
Accumulator (ACC) = Holds the result of the calculation and operations performed by the ALU.
What is a PC?
Holds the memory location address of the next instruction to be performed by the CPU.
What are the different types of registers?
MAR, MDR, ACC, PC
What is the 'fetch' in a FDE cycle?
Fetches the next instruction from the main memory (RAM, and then brings it back to the CPU.
Describe the 'fetch' process from the FDE cycle.
The address of the next instruction that needs to be processed next is copied from the PC to the MAR.
The PC is then incremented to the next instruction that will be needed when the cycle starts again.
The instruction stored at the location held by the MAR is copied to the MDR.
What is the 'decode' in a FDE cycle?
Inspects the instruction and works out what it needs doing.
Describe the 'decode' process in the FDE cycle.
The CU decodes the instruction and sends control signals to the component that needs to act.
What is the 'execute' in a FDE cycle?
Carries out the instruction.
Describe the 'execute' process in the FDE cycle.
The operation indicated by the instruction is performed by the appropriate component.
Why don't all CPUs execute code at the same time?
As some processors may be faster due to certain factors such as the number of cores, clock speed and the size of the cache.
What is cache memory?
Fast memory inside the CPU which stores frequently used data and instructions.
Name some factors of the cache.
Much quicker than getting instructions from the RAM.
Located very near to the CPU.
Doesn’t take as much time as it doesn’t need to fetch the instructions from the RAM.
What is clock speed?
Sends a pulse at fixed intervals to trigger the next stage of the FDE cycle.
Name some factors of clock speed.
The higher the clock speed, the more pulses are sent per second, so more instructions can be executed.
What is a core?
A complete copy of a CPU.
Name some factors of the number of cores.
Each core has it’s own ALU and CU, having multiple cores allows a CPU to process multiple instructions at the same time.
| Cuestionario |
|---|
| french adj ( reverse) |
| sp |
| Biology |
| french adj |
| Media Terms |
| Sveriges politiska system |
| business |
| duits Kapitel 1 |
| Engels So 1So leren Engels 9 oktober |
| Conversions |
| Atomic Structure (Chapter 1) CHEMISTRY |
| Begrepp sexuell läggning och könsidentitet |
| Begrepp andrafiering |
| L'heure |
| Begrepp rika och fattiga |
| Begrepp kön och genus |
| French counting words 0-70 (options) |
| French counting words 0-70 (type) |
| Latin verbslatin verbs test revision |
| Latin Verb EndingsLatin verb endings test revision |
| light and the human eye |
| other |
| Terrein |
| French Colours |
| French Colours |
| Sanskrit Asanas |
| Econ Mid term 1 |
| Essay Test Unit One: Rhetorical devices |
| The digestive systemds quiz |
| begrepp introduktion samhäll |
| Psych 104 Mid term 1 |
| bds |
| drugs in pharmacolog n their use |
| branches de la biologieCours de bio.1.12 |
| colyne |
| privajuridik 2.0skadeståndsrätt |
| Privatjuridik |
| German - 4.2 teil 1 |
| latijnniks |
| german vocab 5 |
| KANJI |
| Japanese Vocabulary |
| EDEL 321 CardsTerms and Concepts for the EDEL 321 Midterm |
| Unit 6: Key Terms A and P |
| Biology test flashcards term 1a (living organisms & biological molecule) |
| A Level Psychology - Social Influence |
| English - Jeykll and Hyde quotes |
| biology |
| PhoneticsAccents phonetic alphabet |
| Nederlands woordenschat blok 1 |
| Rumsuppfattning |
| Chem: Chapter 3 |
| OPTA 222 (GBS) |
| Begrepp DES |
| medical terminology |
| latin vocab stage 7. |
| redigering |
| History - USA topic 1 |
| SPANSKA |
| Arabic |
| Romeo and JulietCheck your knowledge on Romeo and Juliet |
| sound and the human ear |
| ANGLAIS MMI |
| Fotboll |
| geschiedenis tijden (Sarah's version) |
| egypt |
| Science Study Guide Unit A Section 1 and 2 |
| Bio Unit 1 Test- Communication |
| english vocabw |
| Science |
| biology flashcards homeostasis & inheritanceincludes:
-homeostasis
-negative feedback,
-reproduction
-kidneys
-plant hormones
(glucoregulation and thermoregulation NOT included) |
| frans chap. 1 |
| Engels toets |
| Roots 4 |
| Chemistry test flashcards term 1a (1a and b) |
| océan et espace |
| poetry test revision |
| Bio Unit 1 Test- identification |
| Film Terms |
| English Poem VocabularyEnglish Poem Vocabulary |
| Bio Unit 1 Test- Matching |
| Popular movies |
| World Records |
| Incredible animals |
| Most Expensive Sports |
| World's largest cities |
| IELTS Cambridge Reading |
| black deathblack death revision |
| objects de la salle de classe |
| OPTA 222 (Muscular Dystrophy) |
| OPTA 222 (Brain Injury) |
| spanish double tick |
| Spanska Glosor Tidsuttryck |
| fransvocabulaire |
| 100 spanska ord (Del 3) |
| 1.6 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| 1.4 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| 1.2 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| 1.1 (Nederlands naar Frans)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| Emoji meanings |
| MedicatiekennisHet doel van dit spel is om de juiste medicatie te benoemen bij de juiste protocollen van het LPA 9.0.
Je hoeft hier geen doseringen te benoemen, maar enkel de stofnaam of merknaam.
Dit spel is ter... |
| Spanska Glosor Småord |
| Minecraft |
| fransvocabulaire A |
| duitsduits woorden nederlands-duits |
| 1.6 (Nederlands naar Frans)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| Biological molecules (Chapter 1) BIOLOGY |
| 1.4 (Nederlands naar Frans)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| week 3 |
| Japanese Unit 1 Review |
| 1.2 (Nederlands naar Frans)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| Daily words in KoreanMemorized 5 daily words of Korean |
| 1.1 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| Emotioner |
| Directional Terms |
| AKAK begrippen H1 1t/m4 |
| vecka 41 läxa glosor spanska |
| A Level Chemistry - Unit 1Topic 1 - Physical Chemistry
Book 1 |
| Tenta - ByggprocessenTentamensfrågor Byggprocessen 2023 |
| Chemistry 1 |
| A Level Law - Unit 1Nature of Law |
| Ekologi |
| SVför ett prov |
| french test |
| Sociology - Marxism |
| Sociology- Functionalism |
| Science |
| Sociology - keywords |
| OPTA 204 (Orientation and attention) |
| Me, My Family and My FriendsFRENCH |
| Ögats anatomi kursm. 1-2 |
| add. abreviations |
| OPTA 204 (Cognition and Memory) |
| Roots 3 |
| Roots 2 |
| Psyclohology : developmentNature, Nurture or Both?
Continuity and Discontinuity
Stability and Change
PRENATAL DEVELOPMENT
INFANCY AND CHILDHOOD
Jean Piaget - Lev Vygotsky
Important Figures in Social Development
Infant Attachme... |
| Socialt arbete och samhällets organisering |
| vecka 40 |
| rörelselära |
| Anatomical positions |
| SIG 5SIG 5 |
| SIG 4SIG 4 |
| SIG 3SIG 3 |
| SIG 2SIG 2 |
| SIG 1SIG 1 |
| Cell- och mikrobiologi D1-D3 |
| Tyksa läxa |
| Kemi grundbegrepp |
| Mapeh music Q1 |
| Kemi |
| WAT1 |
| zella bw 2 |
| History slavesAbout the slave trade |
| Computer Knowledge |
| Italian |
| phisics equationsquiz |
| Latinlevel 13 latin |
| Modals |
| Histoire - Séquence 1 |
| Elizabethan Society and ReligionRevision on English Reformation, Religious Settlement and Elizabethan Society |
| frågor |
| Elizabethan Society and Religionquestions on satistics, places, events, names and dates from english reformation and religious settlement during Elizabeth 1's reign |
| Vocabulary |
| spanich |
| SNT exposé 2/10 |
| history rev (paterson) |
| The autonomy of the cell. Maria Hyde. |
| English vocabulary |
| physics |
| francaisprout |
| geography |
| begrippenbegrippen |
| geschiedenis tijden |
| Cell organelles |
| ma |
| Nutrients -Food Tests -The Digestive System -The Role of Bacteria and Enzymes in |
| health and nutrition |
| Ögats anatomi kursm. 3 |
| date grece |
| Econ Hi Mary! Since you have been to the zoo multiple times before, I am assumin |
| Literary Devices |
| trig identities |
| Weather in the arabic languagew |
| The autonomy of the cell.All about the animal cell. |
| untrennbare Verbenber |
| Serological Techniques in Blood Transfusion |
| Anatomie cours 4 |
| Anatomie cours 3 |
| Anatomie cours 2 |
| vb comme gustar |
| espagnolquiz voc espagnol |
| Anatomie cours 1anatomie |
| Spanish |
| Tung so do |
| Cell- och mikrobiologi C2-C8 |
| Cell- och mikorbiologi A1 och A2 |
| Soc 101, Unit 1 |
| vicab #6 |
| Roots 1 |
| hard 2 |
| Veterinary Terminology |
| sociolgy flash cardsflash cards |
| Glosor till 5/10 v.40 |
| history unit 1 |
| Notes & Piano Keyboard |
| Unit 5: Key Terms |
| OPTA 222 (SCI) |
| OPTA 222 (ALS and MS) |
| OPTA 222( nervous system) |
| Psykodynamiskt och behavorismpsykodynamisk och behaviorism |
| psykodynamiskt och behaviorism (begrepp)Psykodynamisk och behaviorstisk psykologi. |
| Anatomie examen 1Mudule 3 |
| Modes alternatifs de règlement des conflits |
| Motorik |
| nail phisology |
| Anatomie examen 1Module 2 |
| Korean Studies (Beginning/Basics) |
| Wilja |
| motståndaren |
| kognitiv neurovetenskap |
| hörselnedsättning |
| org |
| First third of Geol quiz |
| enivro 200 - test 3 |
| Peuple et culture examen 1Révision |
| Thoelogy review |
| week2 |
| French 3 |
| Aerdynamics midtermmidterm |
| french |
| Latin Leson IV |
| Citizenship |
| Chase science |
| Unit 4: Key Terms A and P |
| UE6: science politique séance 1 |
| English |
| blandat |
| svensk manöverkrigsföring |
| Manöverkrigsföring |
| UE6: économie |
| Italian Terms |
| french lexique 1d |
| french lexique 1c |
| french lexique 1B |
| french lexique 1a |
| 4. Hundraser 7 stHundraser |
| spanska tro- ta det försiktigtsuckaden |
| UE6: droit partie 1 |
| 3. Hundraser 7 stHundraser |
| Hundraser |
| 2. Hundraser 7 stHundraser |
| 1. Hundraser 7 stHundraser |
| hair cuttingwhat are the five form in haircutting |
| english |
| engels |
| farmakologiom läkemedel |
| jknk, |
| reumatologi |
| ortopedi |
| HISTORIA |
| Vocabulaire del 2 |
| Holly WilkinsonProject Managment |
| engelska glosor |
| Politiska system |
| intro droit privé cours 3 |
| engelska v.39 |
| german vocab 4 |
| spanska glosor vecka 39nom |
| Multicellular Organisms 4 |
| chapter 1 vocab wordsgreat gatsby chap 1 vocab |
| principes of design |
| German |
| Biology |
| french |
| Engelska begrepp |
| Multicellular Organisms 3Biology, Semester 2, TERM 3 |
| kemiska formler |
| Other latin nhs |
| Latin rhs terms |
| Quiz question pre test chapter 2 |
| Multicellular Organisms 2Semester 2, Term 3 |
| Hörförståelse |
| spanish |
| faux amiscc |
| Multicellular OrganismsSemester 2, Term 3 Biology
Topics: 1, 2,3 |
| Psykologi |
