COPA Module-1 " Safe Working Practice & Introduction to Computer

What is the sequence, in which computer operates?

• Input, output, process

• Input, process, output

• Process, input, output

• Output, process, input

Answer explanation

The correct sequence in which a computer operates is Input, process, output. This means that data is first inputted, then processed, and finally outputted.

Which is the first general purpose programmable electronic computer?

• ENIAC

• EDVAC

• EDSAC

• UNIVAC

Answer explanation

ENIAC is considered the first general purpose programmable electronic computer, making it the correct choice.

What type of device is computer?

• Electrical device

• Electronic device

• Electro magnetic

• Electro mechanical

Answer explanation

Computer is an electronic device because it operates using electronic components such as transistors and integrated circuits.

Who is considered as father of computer?

• Charles Babbage

• John Lickert

• John Mauchly

• M.V Wilkes

Answer explanation

Charles Babbage is considered as the father of the computer.

Who invented Analytical engine?

• Charles Babbage

• John Lickert

• John Mauchly

• M.V Wilkes

Answer explanation

Charles Babbage is the inventor of the Analytical engine.

What is the main electronic component of the first generation computer?

• Integrated circuit

• Microprocessor

• Transistors

• Vacuum tubes

Answer explanation

The main electronic component of the first generation computer was vacuum tubes.

How does the parallel port transfer a byte?

• Bit by bit

• 2 bits at a time

• 4 bits at a time

• 8 bits at a time

Answer explanation

The parallel port transfers a byte 8 bits at a time.

Which is an internal power supply units of CPU?

• CVT

• UPS

• SMPS

• Stabilizer

Answer explanation

The internal power supply unit of a CPU is known as SMPS (Switched-Mode Power Supply), making it the correct choice.

What is the purpose of expansion slot in mother board?

• To insert the RAM

• To insert the mouse

• To insert the keyboard

• To insert the additional peripherals

Answer explanation

The purpose of an expansion slot in a motherboard is to insert additional peripherals, such as graphics cards, sound cards, or network cards, to enhance the functionality of the computer system.

What is the purpose of memory unit in a computer?

• Accepts data

• Displays data

• Process data

• Stores data

Answer explanation

The purpose of the memory unit in a computer is to store data, allowing the computer to access and retrieve information as needed.