PPSC Computer Science Test 01 December 23, 2020November 22, 2020 by Muhammad Shahid Azeem 0% Good Luck PPSC Computer Science Quiz PPSC Computer Science Test 01 1 / 40 Category: PPSC Computer Science Chapter 01 Which is used to output sound from multimedia presentations? Keynoter Elocutionists Announcer Speaker 2 / 40 Category: PPSC Computer Science Chapter 01 The most commonly used operating system is MS Windows Unix Linux MS DOS 3 / 40 Category: PPSC Computer Science Chapter 01 Which of the following is a common input device? Monitor Keyboard Printer DVD 4 / 40 Category: PPSC Computer Science Chapter 01 The Speed of a LASER printer is measured by Lines per minute Pages per minute Characters per minute All of the given 5 / 40 Category: PPSC Computer Science Chapter 01 What is a correct association between hardware and component type? Memory-Input device Projector-Input device Speaker- output device. Plotter-Storage device 6 / 40 Category: PPSC Computer Science Chapter 01 The main function of computer is Create data from information Convert data into information Display data Save information into storage 7 / 40 Category: PPSC Computer Science Chapter 01 The basic operations performed by a computer are-----? Storage and Communication Arithmetic operation All the These Logical operation 8 / 40 Category: PPSC Computer Science Chapter 01 The Speed of a Line printer is measured by Pages per minute Lines per minute Characters per minute None of given 9 / 40 Category: PPSC Computer Science Chapter 01 What is meant by a dedicated computer? Which uses one kind of software Which is used by one person only Which is meant for application software Which is assigned one and only one task 10 / 40 Category: PPSC Computer Science Chapter 01 DOS stands for------? Disk Operating System Digital Operating System Disk operating session Digital Open system 11 / 40 Category: PPSC Computer Science Chapter 01 What technology is used in second generation computers? Transistors Vacuum Tube Microprocessor IC 12 / 40 Category: PPSC Computer Science Chapter 01 ALU is------? Arithmetic Logic Unit Application Logic Unit None of above Array Logic Unit 13 / 40 Category: PPSC Computer Science Chapter 01 Common device that is used to enter letters, numbers and command ? Optical Mouse Keyboard Sensitive Screen or touch screen USB 14 / 40 Category: PPSC Computer Science Chapter 01 The size of commonly used floppy disk is? 4.5 inch 3.5 inch 8 inch 5.25 inch 15 / 40 Category: PPSC Computer Science Chapter 01 Line Printers that print one line at a time are _________ Impact Printers Laser Printers Non Impact Printers Inkjet Printers 16 / 40 Category: PPSC Computer Science Chapter 01 Which is the main memory of computer? Floppy Drive RAM DVD Hard Disk 17 / 40 Category: PPSC Computer Science Chapter 01 Number of Pixels in screen is called __________ Resolution Dot pitch Aspect Ratio Refresh rate 18 / 40 Category: PPSC Computer Science Chapter 01 A ___________________ monitor looks like a television and are normally used with non-portable computer systems. Flat Panel Monitors LCD CRT LED 19 / 40 Category: PPSC Computer Science Chapter 01 What technology is used in fourth generation computers? IC Vacuum Tube Microprocessor Transistors 20 / 40 Category: PPSC Computer Science Chapter 01 _____ controls the process of interaction between the user and the operating system? User interface Language translator Platform Screen saver 21 / 40 Category: PPSC Computer Science Chapter 01 _______ prints character by spraying tinny drops of liquid ink on paper. Dot Matrix Printer Laser Printer Line Printer None of the given options 22 / 40 Category: PPSC Computer Science Chapter 01 The smallest addressable unit of data is: Byte Megabyte Kilo byte Bit 23 / 40 Category: PPSC Computer Science Chapter 01 Examples of output devices are? Screen All of these Speaker Printer 24 / 40 Category: PPSC Computer Science Chapter 01 Distance between two pixels is called __________ Aspect Ratio Dot pitch Refresh rate Resolution 25 / 40 Category: PPSC Computer Science Chapter 01 Computer memory is arranged in Bit Byte Kilo byte Megabyte 26 / 40 Category: PPSC Computer Science Chapter 01 What type of operating system MS-DOS is? Menu Driven Interface Multitasking GUI CLI 27 / 40 Category: PPSC Computer Science Chapter 01 Which of the following is not an output device of a computer? CRT screen Printer Keyboard VDU(Visual Display Unit) 28 / 40 Category: PPSC Computer Science Chapter 01 A personal computer is designed to use by___________ at same time. All of these A single person A group of persons Nobody can use a PC 29 / 40 Category: PPSC Computer Science Chapter 01 1 zettabyte = ______________ 1024 GB 1024 MB 1024 EB 1024 TB 30 / 40 Category: PPSC Computer Science Chapter 01 Computer system is made up with hardware and ________ Silicon chips Data Physical devices Software 31 / 40 Category: PPSC Computer Science Chapter 01 UNIVAC is------? Universal Automatic Computer Unique Automatic Computer Universal Array Computer Unvalued Automatic Computer 32 / 40 Category: PPSC Computer Science Chapter 01 The process of producing useful information for the user is called ________ Output Input Processing Controlling 33 / 40 Category: PPSC Computer Science Chapter 01 Who designed the first electronics computer – ENIAC? Joseph M. Jacquard George Boole Von-Neumann Presper Eckert and John W Mauchly 34 / 40 Category: PPSC Computer Science Chapter 01 The system unit of a personal computer typically contains all of the following except: Microprocessor Serial interface Disk controller Modem 35 / 40 Category: PPSC Computer Science Chapter 01 The smallest unit of data is: Kilo byte Megabyte bit byte 36 / 40 Category: PPSC Computer Science Chapter 01 The physical components of a computer are called? ALU Software CPU Hardware 37 / 40 Category: PPSC Computer Science Chapter 01 ______represents raw facts, whereas ______is data made meaningful? Records, bytes Information, reporting Information, bits Data, information 38 / 40 Category: PPSC Computer Science Chapter 01 A type of application software that is designed to meet the exact requirements of a particular business is known as. Packaged Application Product Line Software Shareware Customized Application 39 / 40 Category: PPSC Computer Science Chapter 01 Resolution means Colors per square inch Pixels per square inch Rate of change of images Distance between two pixels 40 / 40 Category: PPSC Computer Science Chapter 01 A type of application software that is free to use for a limited trail period is called Customized Application Shareware Product Line Software freeware Your score is LinkedIn Facebook Twitter VKontakte 0%
