Computer Science Technology IT Notes PDF

✅Top 1000 Computer MCQs series Part -1 RRB PO | SSC CGL Mains | IDBI Ques. : 1 Connection or link to other documents or Web pages that contain related information is called 1) dial­up 2) electronic commerce 3) hyperlink 4) e­cash 5) domain name Ans.) 3 Ques. : 2 Microsoft's Messanger allows users to 1) bypass a browser to surf the Web 2) create a blog 3) communicate via direct live communication 4) identify and eliminate spam 5) make graphic presentation Ans.) 3 Ques. : 3 Portable computer, also known as laptop computer, weighing between 4 and 10 pounds is called 1) general­purpose application 2) Internet 3) scanner 4) notebook computer 5) None of these Ans.) 4 Ques. : 4 The main circuit­board of the system unit is the 1) computer program 2) control unit 3) motherboard 4) RAM 5) None of these Ans.) 3 Ques. : 5 Where are you likely to find an embedded operating system? 1) On a desktop operating system 2) on a networked PC 3) on a network server 4) on a PDA 5) None of these Ans.) 4 Ques. : 6 Manipulating data to create information is known as 1) Feedback 2) Programming 3) Processing 4) Analysis 5) None of these Ans.) 3 Ques. : 7 A compiler translates higher­level programs into a machine language program, which is called 1) source code 2) object code 3) compiled code 4) beta code 5) None of these Ans.) 1 Ques. : 8 What contains the computer BIOS and maintains its data with the use of a battery for periods when the system is powered down? 1) CMOS 2) RAM 3) DRAM 4) CPU 5) None of these Ans.) 1 Ques. : 9 Something which has easily­understood instructions in said to be 1) user friendly 2) information 3) word processing 4) icon 5) None of these Ans.) 1 Ques. : 10 What is output? 1) What the processor takes from the user. 2) What the user gives to the processor. 3) What the processor rejects. 4) What the processor gives to the user. 5) None of these Ans.) 4

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File formats and extension Windows audio file ➞ .aac, .adts Binary compressed file ➞ .bin Windows cabinet file ➞ .cab Comma-separated values file ➞ .csv Microsoft Word document ➞ .docx Graphical Interchange Format file ➞ .gif MPEG-4 audio file ➞ .m4a Musical Instrument Digital Interface file ➞ .mid/ .midi Portable Network Graphics file ➞ .png Adobe Photoshop file ➞ .psd Unformatted text file ➞ .txt Windows Media Video file ➞ .wmv XML-based document ➞ .xps 𝐉𝐨𝐢𝐧☞ @Computer_Quiz_Notes_PDF

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