Free Printable Physics and Computer Systems Quiz

1.

Matter is made up of:

a)

Cells

b)

Molecules

c)

Protons only

d)

Light

2.

Smallest unit of matter is:

a)

Atom

b)

Molecule

c)

Cell

d)

Electron

3.

Proton has charge:

a)

Negative

b)

Positive

c)

Neutral

d)

None

4.

Electrons are located in:

a)

Nucleus

b)

Shells

c)

Both

d)

None

5.

KCL states sum of currents at a junction is:

a)

Zero

b)

Infinite

c)

One

d)

Constant

6.

KVL states sum of voltages in a loop is:

a)

10V

b)

Zero

c)

Maximum

d)

Minimum

7.

Semiconductor has conductivity:

a)

Between conductor & insulator

b)

Zero

c)

Maximum

d)

Infinite

8.

Silicon is:

a)

Metal

b)

Semiconductor

c)

Insulator

d)

Conductor

9.

PN junction is formed by joining:

a)

P-type and N-type

b)

N-type and metal

c)

P-type and insulator

d)

None

10.

Majority carriers in P-type:

a)

Electrons

b)

Holes

c)

Neutrons

d)

Protons

11.

In N-type, majority carriers are:

a)

Holes

b)

Electrons

c)

Photons

d)

Neutrons

12.

Forward bias means:

a)

P connected to –ve

b)

P to +ve

c)

N to +ve

d)

None

13.

Reverse bias reduces:

a)

Depletion width

b)

Current

c)

Voltage

d)

Resistance

14.

Forward-biased diode conducts:

a)

No current

b)

Very small current

c)

Large current

d)

Only AC

15.

Reverse-biased diode mostly allows:

a)

Zero current

b)

Heavy current

c)

Amplified current

d)

None

16.

Electron charge is:

a)

+1

b)

–1

c)

0

d)

–1.6×10⁻¹⁹ C

17.

P-type doping uses:

a)

Pentavalent

b)

Trivalent

c)

Tetravalent

d)

None

18.

N-type doping uses:

a)

Trivalent

b)

Pentavalent

c)

Tetravalent

d)

None

19.

Example of trivalent impurity:

a)

Boron

b)

Phosphorous

c)

Arsenic

d)

Antimony

20.

Example of pentavalent impurity:

a)

Boron

b)

Phosphorous

c)

Aluminum

d)

Gallium

21.

An atom with equal electrons and protons is:

a)

Ion

b)

Neutral

c)

Positive

d)

Negative

22.

Donor impurity provides extra:

a)

Holes

b)

Electrons

c)

Protons

d)

Neutrons

23.

Acceptor impurity creates extra:

a)

Electrons

b)

Holes

c)

Current

d)

Voltage

24.

Depletion layer is a region of:

a)

High conductivity

b)

No charge carriers

c)

Full electrons

d)

Full holes

25.

Diode symbol arrow shows:

a)

Current direction

b)

Voltage drop

c)

Resistance

d)

AC flow

26.

CPU stands for:

a)

Central Processing Unit

b)

Control Program Unit

c)

Computer Processing Unit

d)

Central Program Unit

27.

Keyboard is an:

a)

Input device

b)

Output device

c)

Storage device

d)

Processing device

28.

Scanner converts:

a)

Text → digital

b)

Digital → text

c)

Analog → audio

d)

Digital → image

29.

Monitor is an:

a)

Input device

b)

Output device

c)

Storage device

d)

Processing device

30.

Mouse detects movement using:

a)

Laser

b)

Sensor

c)

Both

d)

None

31.

CRT uses:

a)

Electron gun

b)

LCD panel

c)

LED backlight

d)

Plasma

32.

LCD means:

a)

Liquid Crystal Display

b)

Light Cathode Device

c)

Laser Crystal Display

d)

Light Color Display

33.

LED monitor is same as LCD but uses:

a)

LED backlight

b)

Plasma

c)

OLED

d)

CRT

34.

Digital camera captures images using:

a)

Film

b)

Sensor

c)

Laser

d)

Microphone

35.

Primary memory is:

a)

RAM

b)

HDD

c)

SSD

d)

ROM

36.

Secondary memory is:

a)

CPU

b)

HDD

c)

RAM

d)

BIOS

37.

Mouse wheel is used for:

a)

Zoom

b)

Scroll

c)

Click

d)

Drag

38.

Touchpad is used in:

a)

PCs

b)

Laptops

c)

Tablets

d)

Smartphones

39.

VGA is used to connect:

a)

Audio

b)

Display

c)

Keyboard

d)

Mouse

40.

USB stands for:

a)

Universal Serial Bus

b)

Unique System Backup

c)

Universal Storage Block

d)

User Serial Bus

41.

RAM is:

a)

Volatile

b)

Non-volatile

c)

Permanent

d)

External

42.

ROM is:

a)

Volatile

b)

Non-volatile

c)

Temporary

d)

External

43.

Booting means:

a)

Shutting down

b)

Starting computer

c)

Restarting

d)

Installing OS

44.

Output device example:

a)

Printer

b)

Keyboard

c)

Mouse

d)

Scanner

45.

Input device example:

a)

Monitor

b)

Scanner

c)

Printer

d)

Speaker

46.

BIOS stands for:

a)

Basic Input Output System

b)

Binary Input Output System

c)

Basic Internal Operating System

d)

Binary Internal Operating System

47.

BIOS is stored in:

a)

ROM

b)

RAM

c)

HDD

d)

SSD

48.

Motherboard form factor not included:

a)

ATX

b)

Mini-ITX

c)

Macro-XYZ

d)

Micro-ATX

49.

PCI stands for:

a)

Peripheral Component Interconnect

b)

Primary Component Interconnect

c)

Peripheral Communication Interface

d)

Primary Communication Interface

50.

HDD stores data on:

a)

Platter

b)

Coil

c)

Cache

d)

RAM

51.

Spindle rotates:

a)

Platters

b)

Motors

c)

Fans

d)

CPU

52.

Actuator moves:

a)

Read/write head

b)

Platter

c)

Motor

d)

Cable

53.

Partition divides:

a)

Storage

b)

RAM

c)

CPU

d)

BIOS

54.

SMPS stands for:

a)

Switched Mode Power Supply

b)

Standard Mode Power Supply

c)

Switched Main Power Source

d)

Standard Main Power Supply

55.

Rectifier converts:

a)

AC → DC

b)

DC → AC

c)

Voltage → Current

d)

Current → Voltage

56.

Filter removes:

a)

Ripples

b)

Resistance

c)

Heat

d)

Noise

57.

Regulator maintains:

a)

Constant voltage

b)

Constant temperature

c)

Constant current

d)

Constant resistance

58.

CMOS battery stores:

a)

Time & settings

b)

Windows

c)

Files

d)

BIOS update

59.

SATA is used for:

(a)

60.

CMOS battery stores:

a)

Time & settings

b)

Windows

c)

Files

d)

BIOS update

61.

SATA is used for:

a)

Storage devices

b)

Keyboard

c)

Mouse

d)

Monitor

62.

NVMe is used for:

a)

SSD

b)

Printer

c)

CPU

d)

RAM

63.

Cache memory is:

a)

Fast

b)

Slow

c)

Medium

d)

Permanent

64.

Boot order is set in:

a)

BIOS

b)

RAM

c)

HDD

d)

CPU

65.

Mini-ITX is:

a)

Small motherboard

b)

Largest

c)

Medium

d)

External

66.

HDD speed measured in:

a)

RPM

b)

Kbps

c)

Mbps

d)

Hz

67.

SATA cable carries:

a)

Data

b)

Power

c)

Signal

d)

Video

68.

24-pin connector used for:

a)

Motherboard power

b)

Audio

c)

USB

d)

Display

69.

Heatsink is used for:

a)

Cooling

b)

Booting

c)

Processing

d)

Storage

70.

CPU socket holds:

a)

Processor

b)

RAM

c)

HDD

d)

GPU

71.

GPU is responsible for:

a)

Graphics

b)

Audio

c)

Network

d)

Storage

72.

RAM slot is on:

a)

Motherboard

b)

GPU

c)

PSU

d)

Monitor

73.

First step of troubleshooting:

a)

Identify problem

b)

Replace parts

c)

Format hard drive

d)

Update software

74.

PC not booting:

a)

Check power

b)

Change wallpaper

c)

Open browser

d)

Install printer

75.

Slow computer solution:

a)

Remove unnecessary startup apps

b)

Add more icons

c)

Open multiple apps

d)

Change desktop background

76.

Wi-Fi issue → first check:

a)

Airplane mode

b)

Password

c)

Modem light

d)

Mouse connection

77.

POST error occurs during:

a)

Boot

b)

Shutdown

c)

Sleep mode

d)

Update

78.

RAM issue shows:

a)

Beep codes

b)

Screen flicker

c)

File corruption

d)

Slow internet

79.

Blue screen caused by:

a)

Driver failure

b)

Dust

c)

Low battery

d)

Keyboard issue

80.

No display:

a)

Check GPU

b)

Check mouse

c)

Check USB

d)

Check SSD

81.

Overheating caused by:

a)

Dust

b)

Keyboard

c)

Monitor

d)

BIOS

82.

Boot loop:

a)

OS corruption

b)

Mouse failure

c)

Monitor resolution

d)

USB issue

83.

BIOS reset solves:

a)

Wrong settings

b)

Keyboard issue

c)

Monitor flicker

d)

Network problem

84.

“No boot device”:

a)

HDD not detected

b)

PSU failure

c)

CPU overheating

d)

RAM error

85.

Slow internet:

a)

Restart router

b)

Check RAM

c)

Replace keyboard

d)

Update OS

86.

Keyboard not working:

a)

Check USB port

b)

Replace monitor

c)

Change wallpaper

d)

Check PSU

87.

Flickering display:

a)

Change refresh rate

b)

Replace fan

c)

Reinstall RAM

d)

Update BIOS

88.

System restarts randomly:

a)

PSU issue

b)

Dust

c)

Keyboard

d)

Wi-Fi

89.

Cursor freezing:

a)

Faulty driver

b)

Power failure

c)

Monitor issue

d)

USB disconnected

90.

Fan loud noise:

a)

Dust

b)

Keyboard

c)

GPU

d)

Monitor

91.

Error 0x000… means:

a)

Software crash

b)

Hardware crash

c)

Dust

d)

Monitor error

92.

Laptop not charging:

a)

Faulty charger

b)

Dust

c)

RAM issue

d)

Keyboard problem

93.

Preventive maintenance includes:

a)

Cleaning

b)

Replacing CPU

c)

Updating OS

d)

Formatting HDD

94.

Surge protector protects from:

a)

Voltage spikes

b)

Dust

c)

RAM failure

d)

Keyboard error

95.

UPS gives:

a)

Backup power

b)

Extra CPU

c)

Faster GPU

d)

Monitor

96.

PABX used in:

a)

Telephone systems

b)

Computers

c)

Printers

d)

Monitors

97.

Cooling system includes:

a)

Fans

b)

Heatsinks

c)

Both

d)

CPU only

98.

Video card failure shows:

a)

Artifacts

b)

Dust

c)

Keyboard failure

d)

Power failure

99.

Overheating solved by:

a)

Applying thermal paste

b)

Installing software

c)

Changing wallpaper

d)

Updating drivers

100.

Virus spreads through:

a)

USBs

b)

RAM

c)

Monitor

d)

Fans

101.

Worm spreads through:

a)

Network

b)

CPU

c)

USB

d)

Monitor

102.

Antivirus detects:

a)

Malware

b)

Dust

c)

Keyboard failure

d)

BIOS error

103.

Spyware collects:

a)

User data

b)

CPU data

c)

GPU info

d)

Monitor settings

104.

Trojan hides in:

a)

Software

b)

Hardware

c)

USB only

d)

Network

105.

Phishing involves:

a)

Fake emails

b)

Dust

c)

RAM

d)

Monitor

106.

Input device failure means:

a)

Keyboard/mouse

b)

Monitor

c)

GPU

d)

Printer

107.

Image blur on monitor:

a)

Wrong resolution

b)

RAM

c)

Dust

d)

Keyboard

108.

GPU overheating:

a)

Fan failure

b)

CPU failure

c)

RAM error

d)

Monitor error

109.

HDD failure shows:

a)

Clicking sound

b)

CPU overheating

c)

GPU artifacts

d)

Keyboard malfunction

110.

PSU failure leads to:

a)

Random shutdown

b)

Monitor flicker

c)

Keyboard freeze

d)

Fan noise

111.

CMOS battery failure leads to:

a)

Wrong date/time

b)

Keyboard issue

c)

Monitor flicker

d)

GPU artifacts

112.

Thermal paste prevents:

a)

Overheating

b)

Keyboard failure

c)

Monitor flicker

d)

USB damage

113.

Backup means:

a)

Copying data

b)

Deleting data

c)

Formatting disk

d)

Upgrading OS

114.

Full backup stores:

a)

All files

b)

Only OS

c)

Only apps

d)

Only images

115.

Incremental backup stores:

a)

Changed files only

b)

All files

c)

Only images

d)

Only OS

116.

Differential backup stores:

a)

Changes since full backup

b)

All files

c)

Only OS

d)

Only apps

Physics and Computer Systems Quiz

Total questions: 116

Worksheet time: 19mins

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