Computer Fundamentals Multiple Choice Questions (MCQs) for FPSC, PPSC, SPSC, KPSC, BPSC, NTS, and PTS Job Test Preparation.
The word computer science meant a person who did computations or Compute, but now it almost always refers to automated electronic devices. Computers can do much more than calculator, however. They are now used in all sorts of ways to better control or automate products and processes.
Computer is an advanced electronic device that takes raw data as (input) from the user and processes these data under the control of set of instructions (called program) and gives the result (output) and saves output for the future use. It can process both numerical and non-numerical (arithmetic and logical) calculations.
A computer has four functions:
Input is the raw information entered into a computer from the input devices. It is the collection of letters, numbers, images etc.
Ex. Typical examples include keyboards, mouse, trackballs, pointing sticks, joysticks, digital tablets, touch pads, scanners etc.
There are tow basic types of software. System Software and Application Software.
Ex. Microsoft Office, In-page, Coral Draw and Photoshop etc.
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Computer is an advanced electronic device that takes raw data as (input) from the user and processes these data under the control of set of instructions (called program) and gives the result (output) and saves output for the future use. It can process both numerical and non-numerical (arithmetic and logical) calculations.
A computer has four functions:
- Accepts data → Input
- Processes data → Processing
- Produces output → Output
- Stores results → Storage
Input Devices
Computer is n electronic device. It is made of many parts. It works in three basic steps. INPUT, PROCESSING and OUTPUT. Input is a computer term. Which means to put data in computer. Different computer parts are used to put data into a computer. They are called input devices.Input is the raw information entered into a computer from the input devices. It is the collection of letters, numbers, images etc.
Ex. Typical examples include keyboards, mouse, trackballs, pointing sticks, joysticks, digital tablets, touch pads, scanners etc.
Output Devices
Output is the result by a computer after data processing. Computer output devices show us text, Pictures and give out Sounds. Output is also called as Result. We can save these results in the storage devices for the future use. Ex. Monitor, Printer, Speakers, Projector and Modem are the output devices.Data Storage Devices
Data storage is a unique feature of computer. Once we store data in our computer, we can re-open it, copy it or get its printout whenever we like. We can also transfer data to any other computer or memory device. Computer stores data in electronic signals. That is why, a copied data is 100% the same as the original one. We can make so many copies in a short time.Computer Hardware and Software
Our computer is the combination of Hardware and Software. Hardware is the parts of computer that we can touch. Software is the computer programs that we cannot see. We cannot touch software programs. Ex. A cassette is the hardware. The recording of cassette is Software.Relationship between Hardware and Software
- Hardware and software are mutually dependent on each other. Both of them must work together to make a computer produce a useful output.
- Software cannot be utilized without supporting hardware.
- Hardware without set of programs to operate upon cannot be utilized and is useless.
- To get a particular job done on the computer, relevant software should be loaded into the hardware
- Hardware is a one-time expense.
- Software development is very expensive and is a continuing expense.
- Different software applications can be loaded on a hardware to run different jobs.
- A software acts as an interface between the user and the hardware.
- If hardware is the 'heart' of a computer system, then software is its 'soul'. Both are complimentary to each other.
Computer Hardware
Def : The physical elements of a computer is called hardware which we can touch, hardware is generally divided into the central processing unit (CPU), and main memory (or random-access memory, RAM). The last class encompasses all sorts of input and output (I/O) devices: keyboard, display monitor, printer, disk drives, network connections, scanners, and more.Examples of Hardware are following:
- Input Devices.
- Output Devices.
- Data Storage Devices.
- Internal components.
- Computer Software
There are tow basic types of software. System Software and Application Software.
System Software
System software is a large program which gives instructions to all computer parts. System software also controls application software. When we work on application software, the application software communicates with the system software. Ex. Windows is the best and very popular system software. The system gives instructions to the computer parts to act on our instructions.Application Software
Application software is like a tool. We cannot work on a computer without installing application software. We need different types of software to perform different works.Ex. Microsoft Office, In-page, Coral Draw and Photoshop etc.
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Q.1 - Binary code '0' means .......... A.
State of absence B. State of presence C.
State of Negative D. State of Positive Show Answer |
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Q.2 - ......... is compulsory part of HTML. A.
<br> B. <body> C.
<tr> D. <img> Show Answer |
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Q.3 - CAI stands for .......... A.
Computer Aided Instruction B. Computer Aided information C.
Cost Added Information D. Computer Aided Infrastructure Show Answer |
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Q.4 - Maximum font size in HTML is ......... A.
6 B. 7 C.
5 D. 8 Show Answer |
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Q.5 - MICR reader is an …………… device. A.
Input B. Output C.
Electric D. Storage Show Answer |
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Q.6 - Internet is .......... A.
Network of Networks B. Networks of Communication C.
Networks of Data D. Group of LAN Show Answer |
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Q.7 - .......... is a standalone tag. A.
<img> B. <body> C.
<head> D. <p> Show Answer |
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Q.8 - FTP stands for A.
Folder Transfer Protocol B. File Transfer Process C.
File Transfer Protocol D. File Text Protocol Show Answer |
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Q.9 - Hexadecimal number system has …………base. A.
16 B. 14 C.
12 D. 08 Show Answer |
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Q.10 - HTML stands for A.
Hypertext Mass up language B. Hypertext Markup language C.
Hypertext Move up language D. Hypertext Mark of language Show Answer |
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Q.11 - The default setting for a horizontal rule is ........... A.
shaded B. unshaded C.
both D. none of the above Show Answer |
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Q.12 - ............. tag is used to embed image in a webpage. A.
<img src='pic.gif'> B. <img src=pic.gif> C.
<img source=pic.gif> D. None of the above Show Answer |
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Q.13 - This is a global collection of high-powered computer that are connected together with cables, telephone lines, microwave dishes, satellites etc. A.
Arpanet B. Internet C.
Network D. All of the above Show Answer |
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Q.14 - .......... is used to pointing / selecting the screen co-ordinates by detecting the light. A.
Light Pen B. Bar Code Reader C.
Digital Camera D. Smart Cards Show Answer |
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Q.15 - ........... displays the information about the active document such as page number, section number, number of pages, insertion point, position, etc. A.
View Bar B. Menu Bar C.
Status Bar D. Ruler Line Show Answer |
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Q.16 - ............ a record means a new record to the file. A.
Amending B. Updating C.
Editing D. Appending Show Answer |
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Q.17 - To move the cursor to end of the document, press ........... A.
Ctrl+End B. End C.
Alt+End D. Shift+End Show Answer |
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Q.18 - SMTP stands for A.
Simple Mail Transfer Protocol B. Simple Mail Transport Protocol C.
Sample Mail Transfer Protocol D. Sample Mail Transport Protocol Show Answer |
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Q.19 - JPEG stands for ........... A.
Joint Photo Experts Group B. Joint Photogenic Experts Group C.
Joint Photographic Experts Group D. Joint Photoelectric Experts Group Show Answer |
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Q.20 - The short cut key to start a new line without starting a new paragraph is ........... A.
Ctrl+Enter B. Shift+Enter C.
Alt+Enter D. Enter Show Answer |
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