Maths
Write 8% as a decimal.
0.08
Name 5 features of a living organism.
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrients
When did World War 2 begin?
1st September 1939
After infiltration, how does water get to the ocean?
Groundwater flow
Define input devices.
An input device is any piece of equipment that turns data into electronic signals (converted into digital form) that can be processed by the computer.
Name the common factors of 30 and 75
3 5 15
What is the name of the protective layer at the front of the eye?
Cornea
Which countries were involved in the War at Sea?
Germany and Britain
Name a human factor that has increased risk of flooding.
Deforestation
Urbanisation - impermeable surfaces
Dams, weirs, bridges
Name an advantage of using sensors rather than human input.
Sensors are more accurate and precise
They can record constantly without a break
They can record data from places where people cannot go
Here are the first four terms in a sequence. −22, −17, −12, −7, …
The next two terms are...
-2, 3
Which waves have the highest frequency and most energy?
Gamma rays
In which battle did the British army use tanks for the first time?
The battle of Somme (1916)
Define transnational corporation.
Transnational corporations are mainly large companies which operate and have business interests in multiple parts of the world.
What is Bit-rate measured in?
bits per second (bps) or now commonly in megabits per second (Mbps)
Which length of time is different from the other three lengths of time.
7 hours 25 minutes 7.25 hours 7 5/12 hours
445 minutes
7 5/12 hours
What measures (1) the pitch and (2) the volume of sound?
(1) Frequency
(2) Amplitude
In which document was Germany to take full responsibility for World War 1?
The Treaty of Versailles
In which sector of the economy would you find banking?
Tertiary
Primary - mining, agriculture
Secondary - iron industry, sugar refining
Tertiary - education, healthcare
Quaternary - research, technology
Give an example of application software.
MS Office, Photoshop and CorelDraw
Henry is 𝑥 years old. Sam is two years older than Henry. Aisha is 3 times as old as Sam. Write an expression for the sum of their ages.
5𝑥 + 8
Henry is 𝑥 years old
Sam is 𝑥 + 2 years old
Aisha is 3(𝑥 + 2) = 3𝑥 + 6
Total = 𝑥 + 𝑥 + 2 + 3𝑥 + 6 = 5𝑥 + 8
A statue with a volume of 120𝑐𝑚 made from ceramic has a density of 3 2𝑔/𝑐𝑚 . How much does the statue weigh?
240g
Which president responded to the Japanese attack at Pearl Harbour?
President Franklin D. Roosevelt
In Matabeleland South, what farming do you find in Region 4?
Drought resistant crops - irrigation
(Semi-extensive farming)
Transmission media can be affected by errors. Name 2.
Interference (all types of cable can suffer from electrical interference, which can cause data to be corrupted or even lost)
Problems during packet switching (this can lead to data loss – or it is even possible to gain data!)
Skewing of data (this occurs during parallel data transmission and can cause data corruption if the bits arrive out of synchronisation).