Computer gk

Q.1 An e-mail address typically consists of a user ID followed by the _________ sign and the name of the e-mail server that manages the user’s electronic post office box. 

(1) _(UNDER SCORE) 

(2) # 

(3) & 

(4) * 

(5) None of these 

Q.2 A repeater works in the _______ of the OSI model. 

(1) Data Link Layer 

(2) Physical Layer 

(3) Network Layer 

(4) Presentation Layer 

(5) Session Layer 

Q.3 If a file has a .BMP file extension, what kind of data does it contain? 

(1) Audio 

(2) Video 

(3) Raster Graphics 

(4) Vector Graphics 

(5) 1 and 3 

Q.4 Restarting computer that is already on is referred to as ______. 

(1) Cold booting 

(2) Shut down 

(3) Spooling 

(4) Logging off 

(5) None of these 

Q.5 What is full form of UNIVAC-1 ? 

(1) Universal Automatic Computer 

(2) Universal Automation Computer 

(3) Universal Automated Calculator 

(4) University of Advance Computer 

(5) None of these 

Q.6 Which of the following memories needs refresh ? 

(1) SRAM 

(2) DRAM 

(3) ROM 

(4) All of these 

(5) None of these 

Q.7 The communication mode that supports two-way traffic but only one direction at a time is- 

(1) Simplex 

(2) half duplex 

(3) duplex 

(4) multiplex 

(5) All of the above 

Q.8 A way to communicate with a remote computer over a network - 

(1) Telnet 

(2) Patch 

(3) Keyboard 

(4) CPU 

(5) None of these 

Q.9 What is the purpose of metadata? 

(1) It logs system events. 

(2) It is used to convert data from one format to another. 

(3) It serves as a backup of the original data. 

(4) It logs processor events. 

(5) It describes other data. 

Q.10 How many different documents can be opened at one time? 

(1) Not more than three 

(2) Only One 

(3) As many as your computer memory will hold 

(4) More than three 

(5) None of these 

Answers- 

Q.1 (5) 

An e-mail address typically consists of a user ID followed by the @ sign and the name of the e-mail server that manages the user’s electronic post office box. 

Q.2 (2) 

A repeater works on physical layer. 

Q.3 (3) 

The BMP format is a commonly used raster graphic format for saving image files. 

Q.4 (5) 

Restarting a computer that is already on is referred to as warm booting. 

Q.5 (1) 

Universal automatic computer. 

Q.6 (2) 

Q.7 (2) 

The communication mode that supports two-way traffic but only one direction at a time is known as half duplex. 

Q.8 (1) 

Telnet is a way to communicate with a remote computer over a network. 

Q.9 (5) 

It provides information about a certain item’s content. 

Q.10 (3) 

As many as your computer memory will hold.