WorksheetsHARDWARE TEST 01
Total questions: 60
Worksheet time: 45mins
What is the primary function of a Central Processing Unit (CPU)?
Storage of data
Execution of instructions
Display of output
Input of data
Which component of a computer is responsible for storing data in the long term?
a) RAM
CPU
Hard Disk Drive (HDD)
Cache
What does RAM stand for?
Read-And-Merge
Random Access Memory
Read-Only Memory
Remote Access Manager
Which of the following is an example of an input device?
Printer
Monitor
Keyboard
Speakers
Which type of port is commonly used to connect external devices such as printers or keyboards to a computer?
USB
HDMI
VGA
Ethernet
Which component of a computer is responsible for controlling and coordinating all other hardware components?
Motherboard
Power supply unit
Graphics card
Sound card
What is the purpose of a graphics card?
To control the temperature of the CPU
To provide power to the motherboard
To process and render graphics
To connect to the internet
Which type of storage device has no moving parts and provides fast access to data?
Hard Disk Drive (HDD)
Solid State Drive (SSD)
DVD-ROM
Blu-ray Disc
Which component of a computer is responsible for converting digital signals to analog signals and vice versa?
Sound card
Network card
Modem
Power supply unit
Which unit of measurement is used to represent the speed of a processor?
Megabytes (MB)
Gigahertz (GHz)
Terabytes (TB)
Kilobytes (KB)
What is the purpose of the BIOS in a computer?
What is the purpose of the BIOS in a computer?
To manage the flow of data between the CPU and RAM
To control the boot process and initialize hardware
To store temporary data during program execution
Which type of monitor technology provides the widest viewing angles and better color accuracy?
LCD
CRT
LED
OLED
What does USB stand for?
Universal Serial Bus
United States of Britain
Ultra Speed Bandwidth
Universal Signal Blocker
Which component of a computer is responsible for providing power to all other components?
Power supply unit
Motherboard
CPU
RAM
What is the purpose of the BIOS in a computer?
a) To provide power to the components
To store the operating system
To manage the computer's memory
To start up the computer and initialize hardware components
Which type of computer memory is the fastest?
cache
RAM
HDD
SSD
Any physical components of a computer system that we can see and touch is
Software
Peripheral device
hardware
CPU
The system unit that contains the most vital part of the personal computer is called
CPU
BIOS chip
Motherboard
Monitor
A motherboard consists of
CPU
RAM and BIOS chip
Expansion slots
Heat sink/fan
All of the above
Which of the following is considered as the brain of the computer?
Motherboard
RAM
CPU
BIOS chip
Which of the following is primarily responsible for converting input (data) into meaningful output (information)?
RAM
CPU
Storage device
Input and Output device
Central Processing Unit in a computer consists of which major components?
Arithmetic logic unit (ALU) and Control Unit
Control Unit (CU)
Registers
ALU, Control Unit, and Registers
Which of the following component of CPU performs arithmetic operations such as addition, subtraction, division, and multiplication and logic operations such as AND, OR, and NOT?
CU
ALU
Both a and b
Register
Which of the following component of CPU controls input/output devices, generate control signals to the other components of the computer such as read and write signals, and performs the execution of instruction?
ALU
Accumulator
Control Unit
Both a and c
Which among the following is the fastest memory in a computer that holds information?
Register
Cache
Main memory
RAM
Which of the following is not hardware?
Processor chip
Printer
Mouse
Java
Which of the following are the predominant manufacturers for desktop and laptop processors?
Intel
AMD (Advanced Micro Devices)
Motorola
Both a and b
Which of the following is temporary storage used to hold data that is used for arithmetic and logical operations and storing its results?
ALU
PC (Program counter)
Accumulator
IR (Instruction Register)
Which of the following is a permanent storage location within the CPU used to hold a binary value temporarily for manipulation, and/or for simple calculations?
Main memory
Secondary memory
Register
Both a and b
Data moves in and out of the CPU through embedded wires called
Bus
Electronic wires
Lines
Cables
The most common buses inside the microcomputer are
Address bus
Address bus and Data bus
Address bus and Control bus
Address bus, Data bus, and Control bus
Which bus is used to carry data to and from the memory?
Address bus
Data bus
Control bus
None of these
Which register holds the address of the current instruction being executed?
Instruction register
Memory data register (MDR)
Stack register
Program counter
Which register holds the actual instruction being executed currently by the computer?
Memory address register (MIR)
Instruction register (IR)
Memory data register (MDR)
Program counter register
Which register holds the address of a memory location?
Memory data register
Memory address register
Status register
Stack address
Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?
Stack register
Status register
Memory data register
Memory buffer
Which of the following register holds a data value that is being stored to or retrieved from the memory location?
PSW
Main memory
Memory data register
Cache register
A device that allows entering data and instruction into a computer system is called
interaction
terminal
communication
input
Computer gets the input with the help of
mouse and keyboard
joystick
printer
both a and b
Which of the following are not input devices?
Keyboard, trackball, light pen
Barcode reader, OMR, OCR, MICR
Biometric sensor, scanner, Mic
Plotter, projector, headphones
Which device is mostly used to enter data or information in a computer system?
Touch screen
mouse
light pen
keyboard
Which of the following are examples of pointing devices?
Mouse, trackball
joystick, light pen
touch screen
All
Which of the following is not a type of mouse?
Wireless mouse
Optical mouse
Mechanical mouse
Electromechanical mouse
Which of the keys are also known as modifier keys?
Shift
Ctrl
Alt
All the above
Which keys are also known as toggle keys?
Caps lock, Num lock
Control key, Enter key
Shift, Esc
Both a and b
Which key is used to indent a paragraph?
Spacebar
Tab
Shift
None
Which key is used to open the Start menu?
Windows
Alt
Ctrl + Alt
None of these
Which key is used to erase data from the computer’s memory and characters on the screen?
Backspace
Delete
Shift + Alt
Both a and b
The first computer architecture was designed in
1970
1985
1968
1975
Which bus is used to connect external devices?
Address
Data
Control
External
Which register holds the address of the current instruction being executed?
Instruction register
Memory data register (MDR)
Stack register
Program counter
Which register holds the actual instruction being executed currently by the computer?
Memory address register (MIR)
Instruction register (IR)
Memory data register (MDR)
Program counter register
Which register holds the address of a memory location?
Memory data register
Memory address register
Status register
Stack address
Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?
Stack register
Status register
Memory data register
Memory buffer
Which of the following register holds a data value that is being stored to or retrieved from the memory location?
PSW
Main memory
Memory data register
Cache register
A device that allows entering data and instruction into a computer system is called
interaction
terminal
communication
input
Which of the keys are also known as modifier keys?
Shift
Ctrl
Alt
All the above
Which keys are also known as toggle keys?
Caps lock, Num lock
Control key, Enter key
Shift, Esc
Both a and b
Which key is used to indent a paragraph?
Spacebar
Tab
Shift
None
Which key is used to open the Start menu?
Windows
Alt
Ctrl + Alt
None of these
