WorksheetsYear 9 computing mixed questions
Total questions: 22
Worksheet time: 12mins
What is a Count-Controlled loop?
for loop
while loop
Which of these is NOT a loop in python?
for loop
while loop
nested loop
if loop
The CPU fetches instructions from.... and executes those instructions.
Memory
ALU
ROM
Input Device
The ALU is found inside the CPU True or False?
True
False
What does volatile mean for a computers memory
Data and instructions remain stored even when the computer is switched off
Data and instructions may cause the computer to crash
Data and instructions are lost when the computer is switched off
What is 'cache'?
It stores program operations and data while a program is being executed
It executes programs using the fetch-decode-execute cycle
It is a small amount of memory which is a part of the CPU
What is an algorithm?
A set of step-by-step instructions
Software that analyses data
A hardware device that stores data
Which is the smallest form of data?
Bit
Byte
Nibble
8 Binary Digits
How many bits per pixel do you need to make 4 colours?
colour depth of 1
colour depth of 2
colour depth of 3
colour depth of 4
Which of these is a Hard Disk Drive (HDD)?
Solid state storage has no moving parts?
True
False
Which type of storage uses a laser?
Magnetic
Optical
Solid State
