All 120 questions from the Basic Education Certificate Examination (Junior WAEC) (BECE) Basic Science 2022 Objective paper, with the correct answer and a full explanation for each. Free, no signup needed.
PAPER III - COMPUTER STUDIES PRACTICAL
Using CorelDraw, design your own business card from the prototype shown (George Group of Companies).
i. Draw a rectangle for the card.
ii. Replace the company name with your own name in Times New Roman, 18 pt, bold.
iii. Replace the services listed with your own services.
iv. Replace the address with your own address.
v. Draw a logo box and place a logo of your choice in it.
vi. Type the motto in Tahoma, 10 pt.
vii. Replace "George Amu" with your full name in bold.
viii. Replace the phone number with your registration number.
ix. Save the work and print it.
Model answer
1. Open CorelDraw and create a new document.
2. Choose the Rectangle tool and drag to draw the card outline.
3. With the Text tool type your name, select it, set Times New Roman, 18 pt and press Ctrl + B for bold.
4. Type your services below the name, replacing those on the prototype.
5. Type your own address in the address area.
6. Draw a small box (logo box) at the top corner and place your logo or a simple shape in it.
7. Type the motto, select it and set Tahoma, 10 pt.
8. Replace "George Amu" with your full name and make it bold.
9. Replace the phone number with your registration number.
10. Save with File > Save, give it a name, then print with File > Print.
PAPER IV - TECHNICAL DRAWING
1(a) On the drawing sheet, draw the borderlines and a title block showing: (i) your name (ii) your school (iii) examination number (iv) scale (v) date.
Model answer
1. Draw the border lines about 10 mm inside the edges of the sheet with a T-square and set square, using a thick line.
2. At the bottom right, draw a rectangular title block (for example 120 mm x 40 mm).
3. Divide it into five boxes with thin lines.
4. Letter in capitals: NAME, SCHOOL, EXAM NO., SCALE (e.g. 1:1), DATE.
5. Keep the lettering the same height and the lines clean and even.
1(b) The isometric view of a block is shown (50 deep, 80 long, 15 lip, 40 back height). With the arrow T as the front view, draw full size in first angle projection: (i) the front elevation (ii) the plan (iii) the left side elevation.
Model answer
Assumption: the block is a stepped (L-shaped) block, with a low lip in front and a taller back, read from the dimensions given.
1. Draw the XY line and project all views in first angle projection (plan below the front elevation, left side elevation placed to the right of the front elevation).
2. Front elevation: draw a rectangle 80 mm long. Make it 40 mm high at the back part and 15 mm high at the lip, showing the step as an outline.
3. Project vertical lines from the front elevation down to draw the plan: 80 mm long by 50 mm deep. Draw the step edge as a visible line.
4. Left side elevation: project horizontally from the front elevation and use the 50 mm depth from the plan (with a 45° mitre line) to draw the side profile.
5. Use thick outlines, thin construction lines and neat dimensions.
The respiratory organ of an insect is
A. gills.B. lungs.C. mouth.D. skin.E. spiracles.Correct Explanation Insects breathe through small openings called spiracles.
Which of the following is a farm animal?
A. CatB. DogC. ElephantD. GoatCorrect E. RatExplanation A goat is reared on farms for meat and milk.
The diagram below represents animal cell. Use it to answer questions 6 and 7.
The part labelled V is the
A. cell membrane.B. cytoplasm.Correct C. nuclear membrane.D. nucleus.E. vacuole.Explanation Part V lies inside the cell outline in the jelly-like material, which is the cytoplasm.
The function of the part labelled I is to
A. control the activities of the cell.B. keep the cell firm.C. protect the content of the cell.Correct D. support chemical reaction.E. support respiratory reaction.Explanation Part I is the outer layer, the cell membrane, which protects the contents of the cell.
An element used in disinfecting water is
A. carbon.B. chlorine.Correct C. nitrogen.D. oxygen.E. sulphur.Explanation Chlorine kills germs in water.
The method of heat transfer which does not require any medium is
A. conduction.B. convection.C. evaporation.D. radiation.Correct E. transpiration.Explanation Radiation travels through empty space.
Which of the following energies is contained in foods?
A. ChemicalCorrect B. HeatC. LightD. MechanicalE. NuclearExplanation Food stores chemical energy.
The unit of force is
A. celcius.B. joule.C. metre.D. newton.Correct E. watt.Explanation Force is measured in newtons.
Gravitational force is a force of
A. attraction.Correct B. friction.C. opposition.D. repulsion.E. separation.Explanation Gravity pulls objects towards each other, so it is a force of attraction.
When the earth comes between the sun and the moon, it results in
A. annular eclipse.B. eclipse of the moon.Correct C. eclipse of the sun.D. partial eclipse.E. total eclipse.Explanation The earth’s shadow falls on the moon, giving an eclipse of the moon.
The diagram below shows the use of diverging lens for correction of
A. astigmatism.B. cataract.C. glaucoma.D. hypermetropia.E. myopia.Correct Explanation A diverging lens corrects short sight (myopia).
Calculate the power of a pump that is required to lift 50 kg of water through a vertical height 8m in 3s. [g = 10 ms⁻²]
A. 13.33 WB. 22.67 WC. 50.62 WD. 1333.33 WCorrect E. 12000.00 WExplanation Power = mgh/t = 50 × 10 × 8 ÷ 3 = 4000 ÷ 3 = 1333.33 W.
What is the work done by a boy of mass 55 kg climbing a wall 12m high? [g = 10 ms⁻²]
A. 66 JB. 77 JC. 538 JD. 562 JE. 6600 JCorrect Explanation Work = mgh = 55 × 10 × 12 = 6600 J.
Calculate the potential energy of a ball of mass 10 kg at a height of 25m. [g = 10 ms⁻²]
A. 25.00 JB. 45.00 JC. 75.00 JD. 240.00 JE. 2500.00 JCorrect Explanation P.E. = mgh = 10 × 10 × 25 = 2500 J.
Which of the following factors affects the rate of evaporation?
A. HumidityCorrect B. Insoluble impuritiesC. Nature of surfaceD. TurbidityE. VolumeExplanation Evaporation is slower when the air is more humid.
An example of non-renewable source of energy is
A. biomas.B. coal.Correct C. sun.D. water.E. wind.Explanation Coal cannot be replaced once used up.
The following are products of petrochemical except
A. detergent.B. insecticide.C. kerosene.Correct D. nylon.E. plastic.Explanation Kerosene is a petroleum fraction; the others are made from petrochemicals.
Dwarfism is caused by
A. adequate sleep.B. genetic make-up.Correct C. infection.D. malnutrition.E. poverty.Explanation Dwarfism is a condition inherited through genes.
The main function of the ozone layer is to
A. absorb harmful ultraviolet radiation from the sun.Correct B. allow cosmic rays to reach the earth surface.C. increase global warming.D. produce chlorofluorocarbons in the atmosphere.E. release oxygen to the atmosphere.Explanation The ozone layer absorbs harmful ultraviolet rays.
The atmospheric layer that is farthest from the earth is
A. exosphere.Correct B. mesosphere.C. stratosphere.D. thermosphere.E. troposphere.Explanation The exosphere is the outermost layer.
Which of the following is an effect of drug abuse among the youths?
A. CheerfulnessB. DiligenceC. HumilityD. PolitenessE. RudenessCorrect Explanation Drug abuse leads to rude, aggressive behaviour.
The chemical formula of limestone is
A. CaCO₂B. CaCO₃Correct C. CaSO₄D. Ca(OH)₂E. Ca(NO₃)₂Explanation Limestone is calcium carbonate, CaCO₃.
Which of the following chemicals is used in the production of drugs?
A. AcroleinB. AtorvastatinCorrect C. CyanideD. ParubenE. PhosgeneExplanation Atorvastatin is a drug used to lower cholesterol.
Magnets lose their magnetism when
A. the magnetic field is strong.B. they are hammered in the east-west direction.Correct C. they are suspended in space.D. they are used regularly.E. two south poles are facing each other.Explanation Hammering a magnet disturbs its tiny magnets and it loses magnetism.
The electrical device represented in the diagram below is used to
A. adjust voltage flow.B. measure voltage flow.C. prevent overloading of circuit.Correct D. provide passage for current flow.E. sustain current flow.Explanation The diagram shows a fuse, which melts and breaks the circuit when overloaded.
Which of the following is not a radioactive element?
A. PotassiumCorrect B. RadiumC. RadonD. ThoriumE. UraniumExplanation Radium, radon, thorium and uranium are the radioactive ones in the list.
For Tolu to become a photographer, he has to acquire
A. certificate.B. competency.C. knowledge.D. skill.Correct E. talent.Explanation A photographer needs the practical skill of taking pictures.
A Physical Education teacher in Athens is referred to as a
A. coach.B. gymnast.C. hero.D. paidotribe.Correct E. philosopher.Explanation In ancient Athens the physical education teacher was the paidotribe.
An official who assists an athlete in the mastery of skills in gymnastics is a
A. coach.Correct B. fan.C. referee.D. spotter.E. supporter.Explanation A coach trains and guides the athlete to master skills.
What is the dimension for the take off board in long jump?
A. 1.16m by 15cmB. 1.20m by 15cmC. 1.22m by 15cmD. 1.22m by 20cmCorrect E. 1.22m by 25cmExplanation The take-off board is 1.22 m long and 20 cm wide.
Which of the following is not a sanction in Volleyball game?
A. Double foulB. Joint cardCorrect C. Red cardD. Verbal warningE. Yellow cardExplanation Verbal warning, yellow card and red card are sanctions; a ‘joint card’ is not.
Which of the following items is found in a first aid box?
A. BandageCorrect B. CanvassC. KnifeD. SocksE. WhistleExplanation A first aid box holds bandages for dressing wounds.
Which of the following gymnastic activities does an athlete require a mat?
A. Banana jumpB. CartwheelC. Forward rollCorrect D. SkippingE. SwingingExplanation A forward roll is done on a mat to protect the back and head.
The wood in which a long jumper steps on before jumping is ______ board.
A. longB. runningC. startingD. stepE. take offCorrect Explanation The jumper steps on the take-off board before jumping.
The mineral substance that keeps the bones and teeth strong is
A. calcium.Correct B. iodine.C. iron.D. phosphorus.E. potassium.Explanation Calcium builds strong bones and teeth.
Who makes the final decision in Football game?
A. Assistant refereesB. Field judgeC. Line judgeD. Match commissionerE. RefereeCorrect Explanation The referee has the final say on the field.
What is the diameter of a discus circle?
A. 2.05mB. 2.35mC. 2.55mD. 2.50mCorrect E. 2.60mExplanation A discus circle has a diameter of 2.50 m.
The fitness component needed for survival is
A. agility.B. balance.C. co-ordination.D. endurance.Correct E. power.Explanation Endurance lets the body keep going for long, which is needed to survive.
How many players make a team in Basketball game?
A. 5Correct B. 7C. 9D. 11E. 13Explanation A basketball team plays five on court.
In Swimming, the breast stroke is best produced by simultaneous ______ actions.
A. arms and backB. arms and headC. arms and legsCorrect D. legs and backE. legs and headExplanation Breast stroke uses the arms and legs together.
A pleasure trip where the participant takes food and drink to be eaten at the site describes
A. camping.B. canoeing.C. hiking.D. picnic.Correct E. vacation.Explanation A picnic is an outing with food eaten at the site.
The ability of an individual to perform a daily routine without undue fatigue is ______ fitness.
A. emotionalB. mentalC. physicalCorrect D. psychologicalE. socialExplanation This is the definition of physical fitness.
The last point before winning a Badminton game is
A. deuce.B. game point.Correct C. let.D. rally.E. game setting.Explanation The last point needed to win the game is game point.
Where should a beginner start in the pool to overcome fear in swimming?
A. Deep endB. Deepest endC. Diving boardD. Gutter sideE. Shallow endCorrect Explanation Beginners should start where they can stand, in the shallow end.
Movement made in sequence describes
A. athleticsB. exercise.C. gymnastics.D. rhythm.Correct E. swimming.Explanation Movements in a regular sequence make a rhythm.
The aim of body conditioning is to promote
A. exercise.B. fitness.Correct C. recreation.D. safety.E. wellness.Explanation Body conditioning is done to promote fitness.
The required number of substitutes allowed in Handball game is
A. two.B. three.C. four.D. five.Correct E. six.Explanation A handball team of 12 has 7 players on court and 5 substitutes.
The following are causes of physical challenges except
A. accident.B. disease.C. exercise.Correct D. heredity.E. malnutrition.Explanation Exercise does not cause physical challenges.
Which of the following is an injury to the joint?
A. FractureB. PullC. ShockD. SprainCorrect E. StrainExplanation A sprain is an injury to a joint’s ligaments.
Monosaccharides and disaccharides are chemical compositions of ______ class of food.
A. carbohydratesCorrect B. fats and oilsC. mineral saltsD. proteinsE. vitaminsExplanation Simple and double sugars are carbohydrates.
Which of the following is a recommended sport wear?
A. GownB. Jeans trouserC. ShirtD. SuitE. TracksuitCorrect Explanation A tracksuit is made for sport.
A temporary shortage of blood supply to the brain leads to
A. cramp.B. fainting.Correct C. fracture.D. shock.E. strain.Explanation Less blood to the brain for a short time causes fainting.
The ability of a group of muscle to contract for a period of time without fatigue describes
A. cardio- vascular endurance.B. co-ordination.C. muscular endurance.Correct D. muscular strength.E. power.Explanation This is muscular endurance.
The natural means of stopping bleeding is
A. applying iodine solution.B. direct pressure.C. elevation of injured part.Correct D. indirect pressure.E. use of a tourniquet.Explanation Raising the injured part lowers blood flow to it by gravity.
The Egyptian gymnastic activities were performed in honour of their
A. gods.Correct B. heroes.C. leaders.D. president.E. wrestlers.Explanation The ancient Egyptians performed gymnastics to honour their gods.
The following are branches in physical and health education except
A. exercise physiology.B. safety education.C. sport science.D. sports marketing.E. surgery and medicine.Correct Explanation Surgery and medicine is not a branch of physical and health education.
Which of the following pioneers is known as father of Physical Education in Nigeria?
A. Eze AchiugoB. Funso AdeoluC. H.J. EkperiginCorrect D. Isaac AkioyeE. J.A. AdedejiExplanation H.J. Ekperigin is regarded as the father of Physical Education in Nigeria.
The angle marked K in the drawing below is at ______ degrees.
A. 45B. 60C. 90Correct D. 120E. 180Explanation The stock of the tee square sits against the board edge at a right angle, so K is 90°.
In the drawing below, object Q is reduced to P in the ratio of
A. 1:1B. 1:2Correct C. 1:3D. 2:1E. 2:3Explanation P is half the size of Q, so the reduction ratio is 1:2.
The type of drawing done using only paper and pencil is
A. freehand.Correct B. isometric.C. oblique.D. orthographic.E. perspective.Explanation Freehand drawing needs no instruments, only paper and pencil.
In perspective, four parallel edges of a cube is drawn to converge at a
A. ground line.B. horizon line.C. picture plane.D. station point.E. vanishing point.Correct Explanation Parallel edges meet at the vanishing point.
What is angle X in the construction below?
A. 30°B. 45°C. 60°Correct D. 75°E. 90°Explanation Equal arcs were swung from C and D, giving an equilateral triangle, so X = 60°.
What is G in the quadrilateral drawn below?
A. DiagonalCorrect B. DiameterC. RadiusD. SegmentE. TangentExplanation G marks the line joining opposite corners A and D, which is a diagonal.
The drawing instrument shown below is a
A. divider.B. protractor.C. scale rule.D. tee square.Correct E. template.Explanation The picture shows a tee square.
The front view of the block drawn below is
A. [Option A: rectangle with one dashed line]B. [Option B: rectangle with one full line]Correct C. [Option C: rectangle with one line and dashed edges]D. [Option D: plain square]E. [Option E: rectangle with one line and dashed edges]Explanation Looking from the arrow, the front face of the steps is a rectangle split by one solid line where the step edges show.
The block drawn below is in ______ projection.
A. auxiliaryB. isometricC. obliqueCorrect D. orthographicE. perspectiveExplanation The front face is drawn true shape and the depth lines recede at an angle, which is oblique projection.
Receding lines of isometric drawing is at ______ degrees.
A. 30Correct B. 45C. 60D. 90E. 120Explanation In isometric drawing the receding lines are at 30°.
The part labelled ‘N’ in the building plan below is
A. arch.B. door.Correct C. louver.D. passage.E. window.Explanation The quarter-circle arc is the swing of a door in a plan.
Which of the following is not a material for roof covering?
A. AluminiumB. AsbestosC. CelotexCorrect D. SlateE. ZincExplanation Celotex is a ceiling board, not a roof covering.
The process of cutting log into marketable size is
A. conversion.Correct B. felling.C. planing.D. sawing.E. seasoning.Explanation Converting a log into planks and boards of sale size is called conversion.
Which of the following woodworking machines is mainly used for boring?
A. Band sawB. Circular sawC. Drill pressCorrect D. Radial armE. Surface planerExplanation A drill press bores holes.
Which of the following is a property of rubber?
A. DuctilityB. ElasticityCorrect C. Fire proofD. MalleabilityE. Rust resistantExplanation Rubber stretches and returns to shape, so it is elastic.
Which of the following is a product of low level technology?
A. AircraftB. BicycleC. HoeCorrect D. SatelliteE. SubmarineExplanation A hoe is a simple hand tool made with low-level technology.
The type of joint sketched below is
A. dowel.B. housed.C. mortise and tenon.Correct D. rebated.E. tongued and grooved.Explanation The sketch shows a tenon fitting into a mortise slot.
The hand tool used for cutting wood along the grain is ______ saw.
A. bowB. copingC. cross-cutD. ripCorrect E. tenonExplanation A rip saw cuts along the grain.
What will be the speed of rotation of a 40-tooth gear when it is driven by an 80-tooth gear with a speed of 20 rpm?
A. 20B. 40Correct C. 60D. 80E. 100Explanation N₁ × T₁ = N₂ × T₂, so N × 40 = 20 × 80, giving N = 40 rpm.
The type of machine that depends on compressed air to do work is
A. hydraulic.B. lever.C. pneumatic.Correct D. pulley.E. wedge.Explanation Pneumatic machines use compressed air.
Which of the following is an example of rotary motion?
A. Movement of a car.B. Movement of a piston.C. Movement of fan blades.Correct D. Movement of the jaw of a vice.E. Sliding a door.Explanation Fan blades turn about a centre, which is rotary motion.
The following are ways of preventing accident in a workshop except
A. avoiding the use of correct tools for a job.Correct B. being alert.C. following instructions as specified.D. not rush your work.E. using required safety wear.Explanation Avoiding the correct tools for a job leads to accidents; the others prevent them.
The diagram below represents a
A. belt.B. chain.Correct C. gear.D. pulley.E. sprocket.Explanation The diagram shows linked metal parts forming a closed loop, which is a chain.
The following conditions require first aid except
A. bleeding.B. dislocation.C. fainting.D. poisoning.E. sneezing.Correct Explanation Sneezing is normal and needs no first aid.
The type of material that holds a door and allows it to swing is
A. barrel.B. hinge.Correct C. knob.D. latch.E. lock.Explanation A hinge lets a door swing open and shut.
Ability of a material to resist deformation is
A. conductivity.B. ductility.C. hardness.Correct D. malleability.E. welderbilityExplanation Hardness is resistance to deformation such as scratching or denting.
Holes are made on metal sheets with the use of
A. files.B. notchers.C. pliers.D. punches.Correct E. snipsExplanation Punches are used to make holes in sheet metal.
Which of the following is categorized under physical hazard?
A. BiologicalB. ChemicalC. ElectricalD. ExplosiveE. MechanicalCorrect Explanation Mechanical hazards such as moving parts are physical hazards.
The following establishments are involved in rescue operation except
A. Fire Service.B. National Emergency Management Agency.C. National Orientation Agency.Correct D. Road Safety Commission.E. The Red Cross.Explanation The National Orientation Agency is for public enlightenment, not rescue.
The tool drawn below is used for
A. boring.Correct B. grinding.C. knurling.D. making tapers.E. tempering.Explanation The picture shows a twist drill bit, which bores holes.
Who invented the mechanical calculator for adding numbers?
A. Augusta AdaB. Blaise PascalCorrect C. Charles BabbageD. Isaac NewtonE. Steve JobExplanation Blaise Pascal built the first mechanical adding machine.
Which of the following printers is the fastest?
A. CharacterB. InkjetC. LaserD. PageCorrect E. ThermalExplanation A page printer prints a whole page at a time, so it is the fastest.
Which of the following elements is associated with microchip of a computer?
A. CopperB. SiliconCorrect C. SodiumD. SulphurE. ZincExplanation Microchips are made from silicon.
The place where data and information are stored for a short time is
A. Arithmetic logical unit.B. Buffer.Correct C. Control unit.D. Hard drive.E. Motherboard.Explanation A buffer holds data temporarily.
An example of output device is
A. joystick.B. keyboard.C. microphone.D. mouse.E. printer.Correct Explanation A printer gives out results from the computer.
The application package that involves the use of slides is
A. Corel Draw.B. Microsoft Access.C. Microsoft Excel.D. Microsoft Powerpoint.Correct E. Microsoft Word.Explanation PowerPoint is used to make slide presentations.
Clicking the undo icon in Microsoft Word will
A. auto-save document.B. correct spelling mistakes.C. move the cursor to the next line.D. recover lost documents.E. revert to the last action.Correct Explanation Undo reverses the last action.
How many nibbles are in 8 bytes?
A. 14B. 16Correct C. 18D. 32E. 64Explanation 1 byte = 2 nibbles, so 8 bytes = 16 nibbles.
The slide rule was invented in
A. 1617.B. 1620.Correct C. 1642.D. 1720.E. 1820.Explanation The slide rule dates from about 1620.
Which of the following is a disadvantage of the internet?
A. Access to x-rated contents.Correct B. Buying and selling online.C. Education via electronic correspondence.D. Research related activities.E. Social interactions.Explanation Easy access to adult content is a disadvantage of the internet.
An unauthorized copying and distribution of software is
A. fraud.B. phishing.C. piracy.Correct D. plagiarism.E. vending.Explanation Illegal copying and sharing of software is called piracy.
The method of arranging data item in any order is
A. array.B. query.C. queuing.D. sorting.Correct E. surfing.Explanation Sorting arranges data items in a chosen order.
The ascending order of data hierarchy is
A. Bit→byte→record→field→database →file.B. Bit→byte→field→record →file→database.Correct C. Bit→byte→file→field→record→ database.D. Bit→record→byte→field →file→database.E. Bit→database→field →byte→file→record.Explanation Data grows from bit to byte, field, record, file and then database.
What is the capacity of floppy high density diskette?
A. 1.44 KBB. 1.44 MBCorrect C. 1.44 GBD. 1.44 TBE. 1.44 PBExplanation A high density floppy disk holds 1.44 MB.
The process whereby a word is moved to the beginning of the next line automatically by the system is
A. alignment.B. drop down.C. paragraphing.D. truncation.E. word wrap.Correct Explanation Word wrap moves a word to the next line when the line is full.
A device that prints output by moving a pen across the surface of a piece of paper is
A. light pen.B. plotter.Correct C. printer.D. scanner.E. typewriter.Explanation A plotter draws output with pens moving over the paper.
Which of the following is the correct method of saving a new file in word processors? Click the file,
A. enter file name → save as → save.B. enter file name → save → save as.C. save → enter file name → save as.D. save → save as → enter file name.E. save as → enter file name → save.Correct Explanation Choose Save as, type the file name, then press Save.
The operating system performs the following tasks except
A. application interface.B. data storage.Correct C. device management.D. processor management.E. user interface.Explanation Data storage is done by storage devices; the operating system manages devices, the processor and interfaces.
The part of the central processing unit that sends signals and data to different devices of the system is termed
A. ALU.B. control unit.Correct C. DOS.D. memory unit.E. processing unit.Explanation The control unit directs signals and data to the other parts of the computer.
Which of the following is an example of architectural graphics package?
A. AutoCADCorrect B. CorelDrawC. HarvardD. Instant ArtistE. PaintExplanation AutoCAD is used for architectural drawings.
The gate that is known as an inverter circuit is
A. AND.B. NAND.C. NOR.D. NOT.Correct E. OR.Explanation A NOT gate inverts its input.
In binary system, 64 bits is equivalent to ______ bytes.
A. 4B. 6C. 7D. 8Correct E. 9Explanation 8 bits = 1 byte, so 64 bits = 8 bytes.
A computer that measures continuous physical conditions and converts them to quantities is
A. analog.Correct B. digital.C. hybrid.D. IBM.E. special.Explanation An analog computer measures continuous quantities such as temperature.
Which of the following statements is true about computers?
A. Both microcomputer and minicomputer have the same speed.B. Mainframe computer works slower than microcomputer.C. Mainframe computer works slower than minicomputers.D. Microcomputer works faster than minicomputer.E. Minicomputer works faster than microcomputer.Correct Explanation Speed rises from micro to mini to mainframe, so a minicomputer is faster than a microcomputer.
The feature in Microsoft Access that provides a more convenient and attractive way to enter, display and print the data in a table is
A. form.Correct B. macro.C. module.D. query.E. report.Explanation A form gives a friendly screen for entering and viewing table data.
What is ASCII? It is a/an
A. computer game simulator.B. operating system.C. security tracking software.D. standard data transmission code.Correct E. web design package.Explanation ASCII is the standard code used to represent characters in data transmission.
Abacus was invented in
A. Britain.B. China.Correct C. India.D. Japan.E. Nigeria.Explanation The abacus is credited to ancient China.
In BASIC programming, the READ statement must have a corresponding ______ statement.
A. DATACorrect B. ENDC. INPUTD. LETE. PRINTExplanation READ takes its values from a DATA statement.
The programming language that can run on a computer without a compiler is
A. BASIC.B. C+.C. Java.D. machine.Correct E. python.Explanation Machine language is already in the computer’s own code, so it needs no compiler.
The following are third generation computer languages except
A. BASIC.B. COBOL.C. FORTRAN.D. PASCAL.E. SQL.Correct Explanation SQL is a fourth generation language.
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