7000+ Gk Computer Quiz 2024 - 2025 for Kids with Answers Pdf - 2

Question: 6

What protocol is used between E-Mail servers?

(A) SMTP - Simple Mail Transfer Protocol

(B) SNMP

(C) File Transfer Protocol

(D) POP3

Question: 7

Error rate is

(A) The ratio of the number of data units in error to the total number of data units

(B) A code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors is detected

(C) A check bit appended to an array of binary digits to make the sum of all the binary digits

(D) An error detecting code based on a summation operation performed on the bits to be checked

Question: 8

A front end processor is

(A) Preliminary processor of batch jobs

(B) A minicomputer that relieves mainframe computers at a computer centre communications control functions

(C) A processor in a large scale computer that executes operating system instructions

(D) A user computer system

Question: 9

The physical layer of a network

(A) Construction packets of data and sends them across the network

(B) Controls error detection and correction

(C) Defines the electrical characteristics of signals passed between the computer and communication devices

(D) All of the above

Question: 10

Modulation is the process of

(A) Converting analog signals to digital signals

(B) Converting digital signals to analog signals

(C) Sending a file from one computer to another computer

(D) Echoing every character that is received