57 solutions available
Question 1Assertion (A): Computer is an electronic device that accepts input, processes it and displays the output.Reasoning (R): Computer is a...
Question 2Assertion (A): Primary memory is the main memory inside computer that holds data, programs and instructions that are currently in...
Question 3Assertion (A): Cache memory is placed between CPU and main memory (RAM).Reasoning (R): Cache memory stores frequently used data and...
Question 5Assertion (A): Operating system is the most important utility software.Reasoning (R): Utility Software are essential for maintenance and...
Question 6Assertion (A): Operating system acts as an interface between a user and computer hardware.Reasoning (R): Operating system manages all the...
Question 17Which smaller unit of CPU directs and coordinates all activities within it and determines the sequence in which instructions are executed,...
Question 19Convert the following into Kilobytes:2.7 GB = ............... Kilobytes2831155.22764.82831155.022764.08
Question 4Define hardware and software.
Question 7Explain the types of operating systems with examples.
Question 8"Hardware is of no use without software and software cannot be used without hardware." Explain.
Question 9How can software be classified? Name at least one software in each of the categories.
Question 10What is an operating system? Write names of any two popular operating systems.
Question 11Specify the measuring units of memory.
Question 12Identify the category (system, application, programming tool) of the following software:(a) Compiler(b) Assembler(c) Ubuntu(d) Text Editor
Question 13What do you mean by memory devices? Explain RAM and ROM.
Question 14What are output devices? Give some examples.
Question 15List different types of impact printers.
Question 16Briefly explain the working of a laser printer.
Question 18Given below are some features of computer memories—RAM and ROM. List the below-given features under RAM or ROM:(a) Non-volatile Memory(b)...
Question 20Explain in brief the working of a touch screen.
Question 21What are plotters? List the different types of plotters.
Question 22Check the size of RAM and HDD of a computer in your school. Make a table and write their size in Bytes, Kilobytes, Megabytes and Gigabytes.
Question 23List all the secondary storage devices available at your school or home.
Question 24Which operating system is installed on your computer at home or in school?
Question 25Convert the following into bytes:(a) 2 MB(b) 3.7 GB(c) 1.2 TB
Question 26Identify the type of software:(a) The software acts as an interface between a user and the hardware.(b) It converts the program written in...
Question 27Write down the type of memory needed to do the following:To store data permanently,To execute a program,To store instructions which cannot...
Question 28How is an interpreter different from compiler on these parameters?(a) Memory requirement during translation(b) Memory requirement after...
Question 29What is the major difference between optical and magnetic discs?
Question 30List the differences between a CD and a DVD.
Question 31Explain the statement, "Functioning of a computer is similar to the way the human brain functions."
Question 32Explain in brief the basic architecture of a computer.
Question 33What is an input unit? Give its significance.
Question 34List and briefly explain all the components of a CPU.
Question 35Why is a control unit referred to as the central controller of a computer?
Question 36Does an ALU work independently or in coordination with some other unit? Give reasons.
Question 37Compare data and information.
Question 38How does an output unit work? Give examples of some output devices.
Question 39What is the role of memory in the functioning of a computer?
Question 40Draw the block diagram of a computer system. Briefly write about the functionality of each component.
Question 41Compare volatile memory and non-volatile memory.
Question 42Define primary storage devices. List their types.
Question 43What do you mean by a mouse? List its types.
Question 44What is a barcode? Why is a bar code reader used?
Question 45Explain, in brief, inkjet and laser jet printers.
Question 46What is a plotter? Give the benefits and limitations of using plotters.
Question 47Explain any three types of input devices.
Question 48Define VDU. Name its two types.
Question 49Give the difference between an impact and a non-impact printer.
Question 50Discuss the following devices:(a) Light Pen(b) Graphic Tablet(c) CD-ROM(d) DVD
Question 51Discuss the classification of digital computers.
Question 52Discuss secondary storage devices in detail.
Question 53What are memory cards? Discuss their types.
Question 54Explain the following:(a) Assembler(b) Compiler(c) Interpreter
Question 55What is the need for secondary memory?
Question 56What is the need of RAM and ROM?
Question 57Name the software required to make a computer functional. Write down its two primary services.