(A) Add and subtract information only (X)
(B) Add, subtract and sort information only (X)
(C) Add, subtract, sort and classify information (✔)
(D) Add and subtract but cannot sort information (X)
Answer: Computer Can Add, subtract, sort and classify information.
(A) Audio and video cassettes (X)
(B) Floppy and compact discs (X)
(C) Hard disks (✔)
(D) Laser and optical disks (X)
Answer: Information Can Be Stored In Hard disks.
(A) Electrical signals through wires (X)
(B) Light signals through optical fibers (X)
(C) Radio waves through air (X)
(D) Any combination of these three (✔)
Answer: Information Can Be Sent Over Long Distance In The Form Of Any combination of these three.
(A) Marconi (X)
(B) Galileo (X)
(C) Edison (X)
(D) Graham Bell (✔)
Answer: Telephone Was invented In 1876 In America By Graham Bell.
(A) Synthetic rubber (X)
(B) Nylon (✔)
(C) Cellulose (X)
(D) Protien (X)
Answer: Polyamides Are Synthetic Polymers Commonly Known As Nylon.
(A) Sand (X)
(B) Silt (X)
(C) Clay (✔)
(D) Plaster Of Paris (X)
Answer: The Usual Raw Material For Ceramics Generally Found Beneath The Top Soil Is Clay.