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WorksheetsComputer Science IT quiz WIP - IT Level 3 by MZH
Total questions: 23
Worksheet time: 17mins
What is hardware?
A physical system component
A digital device
Software you download
Its a Motherboard
What is software?
An application that communicates with h/w
Powerpoint
Set of instructions
What does CPU stand for?
Central Processing Unit
Central Processing
The brain
Control Processing Unit
What does the CPU do?
Executes a set of instructions from the software
It stores cache
It does mathematics and other calculations
It keeps the circuits alive without any malfunction
What is RAM?
Random Access Memory
Read Only Memory
Random Accessing Memory
When is ROM used?
For loading the OS
For loading the BIOS upon startup while communicating with h/w
When the system needs to be powered on
For accessing Read Only Files
What factors will improve performance?
Clock speed
Memory
Number of Cores
Virtual Memory
Computer A has 2 cores and 6GB of RAM
Computer B has 4 cores and 3GB of RAM
Which computer will perform faster?
Computer A
It has more RAM
Computer B
It has more cores
Computer A
It has less cores
Computer B
It has less RAM
What is CPU cache?
Memory within a CPU that can execute instructions very quickly
Memory within a CPU that is quicker to access that stores frequent instructions
Memory in the CPU which prevents it from 100% utilization
What is OS?
Operating System
Operating Satellite
Opera Secure-Browser
A system that is installed on h/w
When a CPU is executing instructions what order does the CPU handle its threads?
Fetch
Decode
Execute
What does malicious mean?
A file that is intended to harm your system
A file that acts like a legitimate application
A file that steals your personal information
A file that tries to compromise your system
If i download a malicious file, it gets blocked before it reaches to my computer
What is this software called?
Firewall
Antivirus
VPN
Ad-Blocker
If i run a malicious file, my computer immediately detects it and its process is terminated and the file is quarantined.
What is this software called?
Antivirus
Firewall
Avast secure browser
VPN
If I leave my computer unlocked and somebody accesses my computer what act is this called?
Computer misuse act 1990
Data protection act 2018
Copyright act 1988
If I was to give a copy of Super Mario Bros to someone, what act am I violating?
Copyright, Designs and Patents Act 1988
Data protection act 2018
Computer misuse act 1990
Neither of the above because I purchased it
What language do devices communicate in?
i.e. Phone, Computer, Tablet, etc
Python
C++
C#
Binary
What is binary?
A number that is 8 bits long like 01000011
A number that is 4 bits long like 1101
It uses base 8 as its formatting
A base 2 computer language that only involves 0s and 1s
Sort the following in order
SSD
RAM
Windows
Applications
Antivirus
Device Manager
Keyboard & Mouse
Webcam
Optical disc
Magnetic tape
HDD
Motherboard
A webcam is a output device
True
False
What devices are output devices?
Webcam
Monitor
Speakers
Printer
Keyboard
Convert 10000001 to denary
12.8
12.08
127
129
Locate & Click the server
