1) Who is the father of the computer? a) Charles Babbage b) Albet Ainstain c) Villiam Godfrid 2) Choose the operating system a) Ms word b) Ubuntu c) photoshop 3) What is the full form of CPU? a) Computer Processing Unit b) Computer Principle Unit c) Central Processing Unit 4) Operating system is a harware a) true b) false 5) One nano second means a) 0.001second b) 0.45second c) 0.000000001second 6) What is this operating system? a) Ubuntu b) Microsoft windows c) Mac os 7) Choose the OS that use in mobile phones a) b) c) 8) Choose the storage device? a) moniter b) floppy disk c) web camera 9) What is the magenatic media device? a) hard disk b)  key board c) pen drive 10) Choose the optical media device a) Ram b) Optical disk c) Portable external hard disk 11) What is the solid media device a) Mouse b) Blue ray disk c) Memory card 12) What is the folder? a) my projects b) word wall.docx c) photo.psd 13) ''housemeet.docx'' what is the file extention of this? a) housemeet b) docx c) non of this 14) choose the hardware a) google b) key board c) files 15) trojan horse is a a) animal b) malware software c) A toy 16) Is ''wire wall'' a malware soft ware a) yes b) no 17) A thing we can do for access control a) use passwords and encryption b) make user accounts c) all of this 18) choose the word processing software a) MS Word b) Adobe Photoshop c) Adobe illustrator 19) What is the year that make the first word processing software? a) 1960 b) 1945 c) 1976 20) What is the first word processing software a) iWork pages b) Wordsatar c) corel word perfect

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