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(2a) Word processing refers to the creation, editing, formatting, and printing of text-based documents using a computer or other device. It involves using software applications, such as Microsoft Word, to produce and manipulate documents. (2bi) A watermark is a faint image or text that appears in the background of a document. It can be used to indicate the document's status, such as "Draft" or "Confidential," or to add a logo or other graphic element. (2bii) The Thesaurus is a feature in MS Word that provides synonyms, antonyms, and related words for a selected word. It helps users to find alternative words and phrases to improve the clarity and precision of their writing. (2biii) A drop cap is a large capital letter that appears at the beginning of a paragraph or section. It's often used to add visual interest and style to a document, particularly in publications such as magazines, books, and newsletters. (2biv) Find and Replace is a feature in MS Word that allows users to search for specific text or formatting within a document and replace it with new text or formatting. It's a useful tool for editing and revising documents quickly and efficiently.

COMPUTER- ESSAY-ANSWERS (1a) (i) X: Power button (ii) Y: USB ports (iii) Z: Optical drive (1b) (i) X: The power button is used to turn the computer on or off. (ii) Y: USB ports are used to connect peripheral devices such as keyboards, mice, or external drives to the computer. (iii) Z: The optical drive is used to read or write CDs, DVDs, or Blu-ray discs. (1c) (i)Motherboard (ii)Central Processing Unit (CPU) (iii)Power Supply Unit (PSU) (iv)Hard Drive or Solid-State Drive (HDD/SSD)

DATA PROCESSING-OBJ 01-10: BDDACCADBB 11-20: ACCBBCBBBB 21-30: CCDBCBBCCD 31-40: ABCBCACCDA

(3a) A computer keyboard is an input device that allows users to type text, commands, and other input into a computer. It typically consists of a layout of keys, including alphabetic keys, numeric keys, function keys, and special keys, that are used to interact with software applications and operating systems. (3b) (i)Alphabetic keys (ii)Numeric keys (iii)Function keys (iv)Special keys (3ci) Shift + Delete is a shortcut key combination that permanently deletes selected text or items without moving them to the Recycle Bin. (3cii) Alt + F4 is a shortcut key combination that closes the currently active window or application. (3di) Ctrl + A is the shortcut key combination for selecting all text in a document. (3dii) Ctrl + F2 or Ctrl + P (then click on "Preview" or use the preview pane) can be used to preview a document before printing, although the exact shortcut may vary depending on the application.

*WAEC COMPUTER THEORY ANSWERS* (1a) (i) X: Power button (ii) Y: USB ports (iii) Z: Optical drive (1b) (i) X: The power button is used to turn the computer on or off. (ii) Y: USB ports are used to connect peripheral devices such as keyboards, mice, or external drives to the computer. (iii) Z: The optical drive is used to read or write CDs, DVDs, or Blu-ray discs. (1c) (i)Motherboard (ii)Central Processing Unit (CPU) (iii)Power Supply Unit (PSU) (iv)Hard Drive or Solid-State Drive (HDD/SSD) (2a) Word processing refers to the creation, editing, formatting, and printing of text-based documents using a computer or other device. It involves using software applications, such as Microsoft Word, to produce and manipulate documents. (2bi) A watermark is a faint image or text that appears in the background of a document. It can be used to indicate the document's status, such as "Draft" or "Confidential," or to add a logo or other graphic element. (2bii) The Thesaurus is a feature in MS Word that provides synonyms, antonyms, and related words for a selected word. It helps users to find alternative words and phrases to improve the clarity and precision of their writing. (2biii) A drop cap is a large capital letter that appears at the beginning of a paragraph or section. It's often used to add visual interest and style to a document, particularly in publications such as magazines, books, and newsletters. (2biv) Find and Replace is a feature in MS Word that allows users to search for specific text or formatting within a document and replace it with new text or formatting. It's a useful tool for editing and revising documents quickly and efficiently. (3a) A computer keyboard is an input device that allows users to type text, commands, and other input into a computer. It typically consists of a layout of keys, including alphabetic keys, numeric keys, function keys, and special keys, that are used to interact with software applications and operating systems. (3b) (i)Alphabetic keys (ii)Numeric keys (iii)Function keys (iv)Special keys (3ci) Shift + Delete is a shortcut key combination that permanently deletes selected text or items without moving them to the Recycle Bin. (3cii) Alt + F4 is a shortcut key combination that closes the currently active window or application. (3di) Ctrl + A is the shortcut key combination for selecting all text in a document. (3dii) Ctrl + F2 or Ctrl + P (then click on "Preview" or use the preview pane) can be used to preview a document before printing, although the exact shortcut may vary depending on the application.

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*WAEC ANIMAL HUSBANDRY* *NUMBER ONE* (1ai) Oestrus synchronization refers to the deliberate manipulation of the reproductive cycle in female animals so that a group of them come into heat at the same time. This is done using hormonal treatments to control or induce ovulation, making it easier to plan and carry out artificial insemination efficiently. (1aii) (PICK FOUR ONLY) (i) Artificial vagina (ii) Semen straw (iii) Insemination gun (iv) Straw cutter (v) Thermometer (vi) Semen storage tank (vii) Lubricant (viii) Speculum (1bi) Vaccination: Vaccination is the administration of vaccines to livestock to protect them from specific infectious diseases. It helps to boost the animal's immune system so it can fight off future infections effectively, reducing disease outbreaks and increasing productivity. (1bii) Feeding ad libitum: Feeding ad libitum means providing animals with unlimited access to feed at all times. This allows the animals to eat whenever they want and as much as they need, which can promote better growth and weight gain, especially in poultry and livestock farming. (1ci) PRE-SLAUGHTERING: (PICK ONE ONLY) (i) Withholding of feed (ii) Withholding of water (iii) Weighing of birds (iv) Health inspection (1d) (COMPLETE THE TABLE) (i) Kit (ii) Lamb (iii) 8 - 12 (iv) Kid (v) 12 - 16 (vi) Calf (vii) Piglet (viii) 6 - 8

*ANIMAL HUSBANDRY* (5ai) Quarantine is a period of isolation or confinement of animals to prevent the spread of disease. It involves separating animals that may have been exposed to a disease from the rest of the herd or flock to prevent transmission. (5aii) Immunity refers to the ability of an animal's body to resist infection or disease. It can be acquired through vaccination, previous exposure to a disease, or maternal antibodies passed from mother to offspring. (5aiii) A zoonotic disease is a disease that can be transmitted from animals to humans. Examples include rabies, brucellosis, and salmonellosis. (5b) (i)Reduced productivity: Liver fluke infestation can lead to reduced productivity in livestock, including weight loss, decreased milk production, and poor overall health. (ii)Increased mortality: Severe liver fluke infestation can lead to increased mortality rates in livestock. (iii)Veterinary costs: Liver fluke infestation can result in increased veterinary costs for treatment and control measures. (iv)Liver condemnation: Infected livers may be condemned at slaughter, resulting in economic losses for farmers. (5c) (i)Insecticides. (ii)Good hygiene (iii)Regular inspection (5di) (i)Queen bee (ii)Worker bees (iii)Drones (5dii) (i)Beehive (ii)Smoker (iii)Hive tool (iv)Bee brush (6a) (i)Oxygen transport: Blood carries oxygen from the lungs to the body's tissues. (ii)Nutrient transport: Blood carries nutrients from the digestive system to the body's tissues. (iii)Waste removal: Blood carries waste products from the body's tissues to the excretory organs. (iv)Immune function: Blood contains immune cells that help fight infection and disease. (6bi) Pseudoruminants are animals that have a three-chambered stomach and a digestive system similar to ruminants, but with some key differences. They are able to digest and extract nutrients from plant-based foods, but their digestive system is not as complex as that of true ruminants. (6bii) (i)Horses (ii)Rabbits (6c) (i)Ensure adequate colostrum intake: Newborn lambs need to receive adequate colostrum from their mother to provide essential nutrients and antibodies. (ii)Monitor for hypothermia: Newborn lambs are susceptible to hypothermia, so it's essential to monitor their temperature and provide warmth if necessary. (iii)Ensure proper umbilical care: The umbilical cord should be treated with an antiseptic to prevent infection. (6d) (i)Heart (ii)Arteries (iii)Veins

6a) (PICK ANY FOUR) (i) Transports oxygen to tissues and carbon dioxide to the lungs. (ii) Delivers nutrients from the digestive system to cells. (iii) Carries waste products to the kidneys for excretion. (iv) Transports hormones and other signaling molecules. (v) Helps in regulating body temperature. (vi) Maintains pH balance in the body. (vii) Provides defense against infections through immune cells. (viii) Clots to prevent excessive bleeding when injured. (6bi) (PICK ANY ONE) Pseudoruminants are animals with a modified digestive system that has three stomach compartments, allowing them to break down fibrous plant material, but they do not chew cud like true ruminants. OR Pseudoruminants are animals that have a stomach with three compartments instead of the four found in true ruminants and can ferment food and digest cellulose, but their digestion process differs from that of true ruminants. (6bii) (PICK ANY TWO) (i) Camels (ii) Llamas (iii) Alpacas (iv) Giraffes (v) Vicuñas (vi) Bison (6c) (PICK ANY THREE) (i) Ensure the lamb receives colostrum within the first few hours. (ii) Keep the lamb warm, especially in cold weather (iii) Clean the lamb and ensure the umbilical cord is properly treated. (iv) Monitor the lamb for any signs of illness or distress. (v) Ensure the mother has access to food and water for adequate milk production. (vi) Provide a safe, clean environment to reduce the risk of infections. (vii) Assist the lamb in standing and suckling if the mother has difficulty. (6d) (PICK ANY THREE) (i) Heart (ii) Blood vessels (arteries, veins, capillaries) (iii) Lungs (iv) Spleen (v) Kidneys (vi) Bone marrow

Data processing (3a) (i) Simplex is a mode where data flows in one direction only, from sender to receiver, like a radio broadcast. (ii) Half duplex allows data to flow in both directions, but not simultaneously, like a walkie-talkie where only one party speaks at a time. (iii) Full duplex enables data to flow in both directions simultaneously, like a telephone conversation where both parties can talk and listen at the same time. (3b) (i) simplex: Television broadcasting. (ii) half duplex: Internet chat. (iii) full duplex: Telephone call. (3c) Transmitter.

(5ai) Quarantine is a period of isolation or confinement of animals to prevent the spread of disease. It involves separating animals that may have been exposed to a disease from the rest of the herd or flock to prevent transmission. (5aii) Immunity refers to the ability of an animal's body to resist infection or disease. It can be acquired through vaccination, previous exposure to a disease, or maternal antibodies passed from mother to offspring. (5aiii) A zoonotic disease is a disease that can be transmitted from animals to humans. Examples include rabies, brucellosis, and salmonellosis. (5b) (i)Reduced productivity: Liver fluke infestation can lead to reduced productivity in livestock, including weight loss, decreased milk production, and poor overall health. (ii)Increased mortality: Severe liver fluke infestation can lead to increased mortality rates in livestock. (iii)Veterinary costs: Liver fluke infestation can result in increased veterinary costs for treatment and control measures. (iv)Liver condemnation: Infected livers may be condemned at slaughter, resulting in economic losses for farmers. (5c) (i)Insecticides. (ii)Good hygiene (iii)Regular inspection (5di) (i)Queen bee (ii)Worker bees (iii)Drones (5dii) (i)Beehive (ii)Smoker (iii)Hive tool (iv)Bee brush

(2b) (PICK ANY FIVE) (i) Restlessness and pacing (ii) Separation from the flock (iii)Increased lying down and getting up (iv)Pawing or digging at the ground (v)Discharge of mucus or blood-tinged fluid from the vulva (vi)Udder enlargement and teats filling with milk (vii)Relaxation of the pelvic ligaments and vulva (2c) (PICK ANY FIVE) (i)Temperature control unit (ii)Humidity control unit (iii)Ventilation system (iv) Turning mechanism (v)Egg tray or holder (vi)Heating element (vii)Thermometer (viii)Hygrometer (2d) (PICK ANY TWO) (i)Roundworms (e.g., Ascaris) (ii)Tapeworms (e.g., Taenia) (iii) Hookworms (e.g., Ancylostoma) (iv)Liver fluke (Fasciola hepatica) (v)Coccidia (e.g., Eimeria)

ANIMAL HUSBANDRY- ESSAY-ANSWERS (2ai) Ovulation is the process by which a mature ovum (egg) is released from the ovary into the fallopian tube, making it available for fertilization by sperm. (2aii) Oestrus Cycle: The oestrus cycle is the recurring reproductive cycle in female mammals, characterized by phases of sexual receptivity (heat) and non-receptivity. (2aiii) Heat Period: The heat period is the phase of the oestrus cycle when the female is sexually receptive and willing to mate. (2aiv) Parturition: Parturition involves the expulsion of the fetus and placenta from the uterus through the birth canal, marking the end of pregnancy and the beginning of the postpartum period.

Animal husbandry

(6a) (i)Oxygen transport: Blood carries oxygen from the lungs to the body's tissues. (ii)Nutrient transport: Blood carries nutrients from the digestive system to the body's tissues. (iii)Waste removal: Blood carries waste products from the body's tissues to the excretory organs. (iv)Immune function: Blood contains immune cells that help fight infection and disease. (6bi) Pseudoruminants are animals that have a three-chambered stomach and a digestive system similar to ruminants, but with some key differences. They are able to digest and extract nutrients from plant-based foods, but their digestive system is not as complex as that of true ruminants. (6bii) (i)Horses (ii)Rabbits (6c) (i)Ensure adequate colostrum intake: Newborn lambs need to receive adequate colostrum from their mother to provide essential nutrients and antibodies. (ii)Monitor for hypothermia: Newborn lambs are susceptible to hypothermia, so it's essential to monitor their temperature and provide warmth if necessary. (iii)Ensure proper umbilical care: The umbilical cord should be treated with an antiseptic to prevent infection. (6d) (i)Heart (ii)Arteries (iii)Veins

DATA PROCESSING- ESSAY-ANSWERS (1ai) Data processing refers to the series of operations performed on data to extract, transform, and load information into a useful and meaningful form. It involves manipulating and analyzing data to produce meaningful results, such as reports, summaries, or forecasts. (1aii) Data collation refers to the process of gathering, collecting, and organizing data from various sources into a single, unified view. It involves aggregating data from different places, such as databases, files, or spreadsheets, to create a comprehensive dataset. (1b) The Data Processing Cycle, also known as the Information Processing Cycle. (1c) (i)Speed (ii)Accuracy (iii)Capacity

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