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IT theory Part 1🥳 Flashcards | StudBud
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IT theory Part 1🥳
IT theory Part 1🥳
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1
What does CPU speed (GHz) indicate?
How many instructions the processor can execute per minute
How many instructions the processor can execute per second
2
USB is only used for storage.
True
False
3
The __________ is the main circuit board in the system.
Motherboard
Clocking
Daddy board 😏
4
Which computer handles multiple simultaneous requests?
Browser
Server
5
Multithreading is running multiple threads of a single program concurrently
True
False
6
Which of the following is an advantage of using computers?
Job displacement
Dependance
Cost
Accuracy
7
What is multitasking?
Running more than one task at a time
Running one task at a time
Investigating more than one task at a time
8
What does the Control Unit do?
Directs data flow and interprets instructions
Controls data flow and interprets instructions
9
What is overclocking?
Increasing a CPU’s clock speed until its defaults
Decreasing a CPU’s clock speed beyond its default
Increasing a CPU’s clock speed beyond its default
10
13. Which of the following is NOT an advantage of computers?
Automation
Data storage
Cybersecurity threats
Speed and efficiency
11
RAM has higher latency than the CPU.
False
True
12
Which device is ideal for lightweight computing and media consumption?
Laptop
Desktop
Tablet
Server
13
Which of these is an output device?
Came controller
Webcam
Printer
Keyboard
14
What is the main function of the CPU?
Networking
Proportion
Calculations
Instructions
15
CPU in processing stage : Processes input data using software algorithms to create meaningful information or actions.
False
True
16
1. What is hardware in a computer system?
CPU
RAM
Physical components
Motherboard
17
components make up an ICT system
Networks
Hardware
Software
Data
18
What is clock multiplication?
Multiplying a base clock signal to increase CPU speed
Multiplying a signal clock signal to increase CPU speed
Multiplying a base clock signal to decrease CPU speed
Multiplying a base clock signal to increase CPI speed
19
Which of these is an output device?
Microphone
Gay controller
Stylus
Speaker
20
SRAM needs to be constantly refreshed.
True
False
21
Which of these is an input device?
Monitor
Printer
Webcam
Speaker
22
Which device has the highest processing power?
Supercomputer
Mobile phone
Server
Desktop
23
Which type of computer is designed for mobility?
Laptop
Watch
iPhone
Tablet
24
What is software in a computer system?
Applications
Programs
Instructions 4 tasks
25
50,45,89 is an example of…?
Data
Code
Numbers
26
. What feature increases performance based on workload and heat?
Turbo performance (intel)
Core Performance Boost (AMD)
Turbo Boost (Intel)
Core Boost (AND)
27
RAM speed is measured in…?
MHz or DDR
RPM
GHz
Watts
28
Which component connects all others and enables communication?
RAM
PSU
Motherboard
CPU
29
Virtual memory is a soft drive space used as additional RAM
False
True
30
Does the system clock not Synchronizes operations of all components
False
True
31
Which cache level is the fastest and smallest?
L2 Cache
L0 Cache
L1 Cache
32
What is a disadvantage of virtual memory?
Slower processing compared to physical RAM
Dependent processing compared to physical RAM
Faster processing compared to physical RAM
33
Which of the following is an example of hardware?
Operating system
RAM
Game application
Web browser
34
The address bus carries memory addresses
True
False
35
Smart wear are wearable devices with computing features
False
True
36
Which is used for displaying graphics?
RAM
HDD
PSU
GPU
37
Which bus connects high-speed components like GPUs?
SATA
USB
PCI Express (PCIe)
38
Which cache L3 level is often shared among multiple cores?
False
True
39
Does parallel processing enable you to Perform multiple tasks simultaneously
True
False
40
Hyper-threading uses multiple physical cores.
True
False
41
Which of the following is an example of software?
Motherboard
Word processor
Keyboard
PSU
42
Which of the following is an input device?
Speaker
Printer
Microphone
Monster
43
Information is processed data that has been given context making it meaningful
False
True
44
The scores for the exam are 50, 45, and 89” is an example of…?
Code
Pattern
Data
Information
45
The ______ is the brain of the computer.
GPU
API
CPU
46
Which memory type is used in CPU caches and registers?
Cache
SRAM
47
Data is unraw processed facts that have meaning by themselves
True
False
48
Overdependence on computers can lead to issues when systems fail.
False
True
49
Which cache stores website data locally on the device?
Network Cache
Finder Cache
Cache
Browser Cache
50
Which device type is mobile and optimized for battery life?
Supercomputer
Server
Desktop
Laptop
51
What is an interrupt?
A signal indicating an event needs immediate fixing
A signal indicating an event needs attention
A signal indicating an event needs immediate attention
A thing indicating an event needs immediate attention
52
What type of device is a Raspberry Pi?
Smart wear
Single board computers
Mobile phone
Embedded computer
53
Which bus transfers actual data?
Data Bus
Control bus
Address bus
54
Throughput does NOT measure total data transfer per second
True
False
55
Mobile devices have more processing power than desktops.
True
False
56
HDD, SSD, and NVMe are secondary storage devices.
False
True
57
Embedded computers are used for general-purpose tasks.
False
True
58
Which CPU component performs arithmetic and logical operations?
RAM
register
CU
ALU
59
What does IRQ stand for?
Interval request line
Interrupt Retriever Line
Interrupt Request Line
60
What does the “Input” stage in the IPO model represent?
From external source
Code
Data
Instructions
61
L3 cache is usually _______ but slower than L1 and L2.
Larger
Thinner
Fatter
Smaller
62
What does the control bus do?
Sends control signals to coordinate addresses
Sends control signals to coordinate operations
Sends control signals to coordinate data
63
__________ allows a CPU core to handle multiple threads.
Hyper-threading
Eyebrow threading
Hyper threading
64
Which interface is common for connecting storage devices?
USB
OMG
LMI
SATA
65
What is the I/O range used for?
Identifying hardware through a request line
Identifying hardware through memory addresses
66
Which component supplies power to the system?
RAM
PSU
KKK
GPU
67
Which of the following is NOT an example of an ICT system?
E-commerce platform
Banking system
Social media
Microwave
