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WorksheetsCAIA - PROCESSING
Total questions: 50
Worksheet time: 28mins
What is this device?
RAM.
Central Processing Unit (CPU).
Motherboard.
It converts Alternating Current (AC), power coming from a wall outlet into Direct Current (DC) power, which is low voltage. Direct Current (DC) power is required for all the components inside the computer.
power house
power supply
power director
This is where you can find the Central Processing Unit (CPU), RAM, expansion slots.heat sink/fan assembly, BIOS chip, chip set, and the embedded wires that give function to the computer.
motherboard
power supply
system unit
The part of the computer stores applications and documents for fast recovery of the computer.
mother board
computer
memory
Random access memory, or RAM, is considered short term memory and it is also called as firmware.
True
False
Mother board is also known as system board and where you can find the CPU or the Central Processing Unit.
True
False
This component is located on the motherboard. It is what we call the. _______
PCI Slots
CPU
RAM
ROM
This is the image of a __________ .
RAM
ROM
Keyboard
Motherboard
It provides the graphic capability
sound adapter
video adapter
graphic adapter
CPU stands for central ____ unit and is responsible for executing a sequence of stored instructions called a program.
Protection
Packet
Performance
Processing
What happens if you don't have enough RAM?
Your computer will slow down because it has to load everything from the hard drive
Your computer will speed up
You won't get much wool from your sheep
Your computer will run out of hard drive storage space
A sequence of instructions that performs a specific task when executed by a computer:
game
research
essay
program
Motherboard
the brain of the computer, processes all data
connects all components
stores all data permanently
cools the CPU
CPU
supplies power to the components
the heart of the computer, connects all the components
connects the hard drive to the motherboard
the brain of the computer, executes all the programs
How many bits in a byte?
8
14
72
16
Which statement best describes what happens to the temporary working memory (RAM) of a computer when it is shut down?
“It is saved in the users document files”
“It is saved in the computer's data storage files”
“It is deleted”
“It is synced automatically with the cloud”
Which of the following is a benefit of using a cloud storage option?
“It protects your computer from viruses”
“You don't need Internet access to retrieve the data”
“It provides a backup of your data, files and photos”
Information used by the CPU is loaded first in
ROM
RAM
CMOS
Register
To hear music on a computer, you need a sound card to convert the musical data to ________ format
Analog
Digital
Sound
Wave
You can add peripheral devices to your computer by inserting special-purpose circuit boards into these slots
Bay slots
Port slots
Connector slots
Expansion slots
Computers use _______ signal to represent information
Analog
Digital
Pulse
Decimal
Most personal computers use this eight-bit coding system
Unicode
ASCII
EBCDIC
Decode
A component of the CPU that performs arithmetic, as well as comparison and logic operations, is the:
ALU
CMOS
RAM
Control unit
For a CPU, the number of millions of CPU cycles per second is quoted as:
Gigahertz
Megahertz
Clockhertz
Bushertz
The Machine Cyle goes in the following order
Fetch -> Decode -> Execute -> Store
Execute -> Decode -> Store -> Fetch
None of the Above
The CPU fetches instructions from.... and executes those instructions.
Memory
ALU
ROM
Input Device
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 an algorithm?
A set of step-by-step instructions
Software that analyses data
A hardware device that stores data
What is a variable?
Data that is stored in a memory location, that cannot be changed
Data that is stored in a memory location, that can be changed
Data that is produced by a computer, that cannot be changed
Why cache is important?
it retains data even when the power is turned off.
data is retained when the power is turned off
Cache speeds up processing.
It holds up to 4 gigabytes of data and is very convenient to transport and use
For every instruction, the control unit carries out four basic operations, known as the machine cycle. What is the activity in step 2?
catch
execute
decode
register
For every instruction, the control unit carries out four basic operations, known as the machine cycle. What is the activity in step 3?
catch
execute
decode
register
RAM (random access memory) chips temporarily
Improves disk performance and store data temporary
hold software instructions and data before and after it is processed by the CPU.
stores instructions and data that the processor is likely to use frequently.
retrieve programs from the ROM chip but cannot modify or add to those programs.
_________ is to represent letters, numbers, or special characters (such as ! or *), bits are combined into groups
megabyte
kilobyte
byte
bit
