Which of the following refer to the error message in a computer system?

A. Red Screen Death
B. Blue Screen Death
C. Black Screen Death
D. All of the Above

Answer

Correct Answer: D. All of the Above

Detailed About MCQs

Red Screen of Death may also refer to an error message used on the PlayStation systems. Blue Screen of Death is an error screen displayed on a Windows computer system after a fatal system error.

Which one is the common device used for drawing, painting, or interactively selecting coordinate positions on an object ?

A. Image scanner
B. Digitizers
C. Data glove
D. Touch panels

Answer

Correct Answer: B. Digitizers

Detailed About MCQs

Digitizers can be used for drawing, painting, and selecting positions. It is any device that receives analog information and creates a digital representation of it.

What was the name of the first vacuum tube invented by Lee de Forest in 1906?

A. Colossus
B. Legion
C. Audion
D. Radion

Answer

Correct Answer: C. Audion

Detailed About MCQs

Audion was the first vacuum tube invented in 1906 by Lee de Forest. It was the size of a person’s thumb and glowing red hot like a tiny electric light bulb. This bagged him the nickname as “the father of radio”.

What is the name of the digital circuit that performs arithmetic and logical operations in computers?

A. Arithmetic Logic Unit
B. Digital comparator
C. Multiplexer
D. None of these

Answer

Correct Answer: A. Arithmetic Logic Unit

Detailed About MCQs

An arithmetic-logic unit (ALU) is the part of the circuit that performs Arithmetic and logical operations. It is part of a computer processor (CPU). In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).

What is the process of carrying commands?

A. Fetching
B. Storing
C. Decoding
D. Executing

Answer

Correct Answer: D. Executing

Detailed About MCQs

Execution in computer and software engineering is the process by which a computer or virtual machine executes the instructions of a computer program. There are four operations carried out for every instruction in a computer. The process of carrying out commands is called executing.

A directory within a directory is called:

A. Mini Directory
B. Junior Directory
C. Part Directory
D. Sub Directory

Answer

Correct Answer: D. Sub Directory 

Detailed About MCQs

In a hierarchical file system,  a directory contained inside another directory is called a subdirectory. Computers store data in a series of directories. The main directory of a file system is the root directory and all other folders are subdirectories of the root folder. On many computers, directories are known as folders or drawers.

What are hardware and software combinations that connect devices running different native protocols.

A. Ports
B. Models
C. Protocols
D. Gateways

Answer

Correct Answer: D. Gateways

Detailed About MCQs

A gateway is a component that is part of two networks, which use different protocols. The gateway will translate one protocol into the other. A router is a special case of a gateway.