1. What is output ?

Processor takes from user

User gives to processor

Processor gets from user

None of these

Answer: None of these

Explanation:

None of these


2. This type of hardware consists of devices that translate data into a form the computer can process ?

application

input

system

All of these

Answer: input

Explanation:

Input hardware consists of devices that translate data into a form the computer can process. Input devices such as keyboard, mouse, scanner, microphone, and camera take in data in various forms such as text, images, and sound and translate it into a digital form that can be understood and processed by the computer.


3. Which process checks to ensure the components of the computer are operating and connected properly ?

Booting

Processing

Saving

Editing

Answer: Booting

Explanation:

The process that checks to ensure the components of the computer are operating and connected properly is called booting. So, the answer is (a) Booting.


4. Which of the following groups consist of only output devices ?

Scanner, Printer, Monitor

Keyboard, Printer, Monitor

Mouse, Printer, Monitor

Plotter, Printer, Monitor

Answer: Plotter, Printer, Monitor

Explanation:

The group of output devices among the given options is (d) Plotter, Printer, Monitor The other options include input devices as well.


5. Any data or instruction entered into the memory of a computer is considered as ?

storage

output

input

information

Answer: input

Explanation:

Any data or instruction entered into the memory of a computer is considered as input. Input refers to any data or instruction that is entered into a computer system for processing. This can include data entered through a keyboard or mouse, data scanned from a document, data read from a storage device, or data received from a network connection. Once input is received, it is processed by the computer system according to the program or software running on the system, and the results are typically displayed on a screen, printed on paper, or stored on a storage device.


6. A scanner scans ?

Pictures

Text

Both Pictures and Text

Neither Pictures nor Text

Answer: Both Pictures and Text

Explanation:

A scanner can scan both pictures and text. Therefore, the correct answer is (c) Both Pictures and Text.


7. Which unit controls the movement of signals between CPU and I/O ?

ALU

Control Unit

Memory Unit

Secondary Storage

Answer: Control Unit

Explanation:

The unit that controls the movement of signals between CPU and I/O is the Control Unit.


8. Which of the following does not relate to Input Unit ?

If accepts data from the outside world

It converts data into binary code that is understandable by the computer

It converts binary data into the human readable form that is understandable to the users.

It sends data in binary form to the computer for further processing

Answer: It converts binary data into the human readable form that is understandable to the users.

Explanation:

does not relate to Input Unit. Input Unit is responsible for accepting data from the outside world and converting it into binary code that can be understood by the computer. It does not convert binary data into human-readable form.


9. Video controller ?

Controls the resolution of images on screen

Controls the signals to be sent and received from processor for display

Handles the entire electronic work behind the formation of images on the screen

Is responsible for allocating pixels for formation of images

Answer: Handles the entire electronic work behind the formation of images on the screen

Explanation:

Handles the entire electronic work behind the formation of images on the screen is the correct answer. The video controller (also known as a graphics card or graphics processing unit) is responsible for handling the electronic work involved in creating and displaying images on a computer screen. It takes signals from the processor and memory, processes them, and sends them to the monitor for display. The video controller also determines the resolution, refresh rate, and color depth of the display.


10. The CPU comprises of Control, Memory, and ________ units ?

Microprocessor

Arithmetic/Logic

Output

ROM

Answer: Arithmetic/Logic

Explanation:

The CPU comprises of Control, Memory, and Arithmetic/Logic units.