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WorksheetsAQA Computer Science GCSE Revision - Computer Systems
Total questions: 22
Worksheet time: 10mins
What is a computer?
A machine that processes letters.
A machine that processes information.
A machine that processes data.
A machine that processes stuff.
The physical stuff that makes up the computer is called...
Software
Hardware
Programs that a computer system runs is known as....
Software
Hardware
Application software is...
help the user run specific tasks like word processors, web browser, email, clients, games, etc
run tasks like the operating systems, utilities, etc
help the user run things down
run tasks like the doing my homework, revision, etc
What runs tasks like the operating systems, utilities, etc
Embedded systems
Application software
System software
Dedicated systems
Embedded systems are computers inside a larger system...examples of this...
an aeroplane
microwaves
traffic lights
dishwashers
What would I find on a motherboard?
power supply
CPU
graphics card
hard disk drive
case cooling fan
The Brain of the Computer...
Central Processing Information
Central Processing Unit
Centrel Processing Unicorn
Central Processing Chip
The five parts to the CPU are:
transistors, processing things
Control Unit, Arithmetic Logic Unit, Cache, Clock, Buses
Power supply, fan
CU, ALU, Cache, Clock, Buses, Registers
The chap who came up with the design in 1945 that shows how computers work...
Von Neuman
Van Neumann
Van Neuman
Von Neumann
The CPU carries out instructions, one after another, billions of times a second is known as...
The Fetch-Execute Cycle
The Fetch-Decode-Execute Cycle
The Fetch-Breakdown-Execute Cycle
The Fetch-Breakdown-Sign out Cycle
RAM is
Volatile
Non-Volatile
ROM
Read-only
Temporary memory
can be written to
loads information
What factors affect the CPU?
RAM and ROM
Storage clogging up
Clock speed, Cores, Cache size, Cache Type, RAM
Cookies
There are 2 types of storage...
True
False
Magnetic Hard Disks are...
high capacity, reliable storage
low capacity, reliable storage
high capacity, unstable storage
low capacity, unstable storage
Solid State Drives are...
Fast and unstable secondary storage
Slow and reliable secondary storage
Fast and reliable secondary storage
Slow and unstable secondary storage
Optical Disc are
cheap and portable
cheap and accessible
easily scratched
great for long term use
What manages the hardware and runs the software?
Computer Systems
Dedicated Systems
Embedding Systems
Operating Systems
The OS communicates with what through the drivers...
on/off
Input/Output
1/0
Internal/External
Operating systems are amazing things but they need a certain set of tools of their trade...
Utilities
Utilites
Tool Box
Kit
Puts files back into one block and collects free space
Encryption
Disk health
Defragmentation
Virus scanner
