Computer Knowledge Test:
Ques. Which of the following is an Open-Source computer operating system?
(a) MAC OS-X
(b) Windows 10
(c) iOS
(d) Linux
Ques. The binary language consists of _____ digit(s).
(a) 8
(b) 2
(c) 1,000
(d) 1
Ques. Which of the following memories has the shortest access time?
(a) Cache memory
(b) Magnetic bubble memory
(c) Magnetic core memory
(d) RAM
Ques. Which one of the following is NOT a permanent storage device?
(a) Pen drive
(b) Hard disk
(c) Compact disk
(d) RAM
Ques. The term bit is short for:
(a) megabyte
(b) binary language
(c) binary digit
(d) binary number
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Ques. The ____ folder retains copies of messages that you have written but are not yet ready to send.
(a) Inbox
(b) Outbox
(c) Drafts
(d) Sent Items
Ques. IT stands for —
(a) Information Technology
(b) Integrated Technology
(c) Intelligent Technology
(d) Interesting Technology
Ques. A help system in an application program is used
(a) make it easy to switch from one mode to another
(b) display menus to prompt the users with choices of available commands
(c) display explanatory information
(d) all of these
Ques. ___ are attempts by individuals to obtain confidential information from yon to falsifying their identity.
(a) Phishing
(b) Computer viruses
(c) Spyware scams
(d) Viruses
Ques. URL stands for __
(a) Universal Research List
(b) Universal Resource List
(c) Uniform Resource Locator
(d) Uniform Research Locator
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Ques. Which of the following is the product of data processing?
(a) information
(b) data
(c) software program
(d) system
Ques. Computers connected to a LAN (Local Area Network) can—
(a) Run faster
(b) Go on line
(c) Share information and/or share peripheral equipment
(d) E-mail
Ques. A file extension is separated from the main file name with a(n) ___ but no spaces.
(a) question mark
(b) exclamation mark
(c) underscore
(d) None of these
Ques. The term ‘Computer’ is derived from __
(a) Latin
(b) German
(c) French
(d) Arabic
Ques. Microsoft Office is—
(a) Shareware
(b) Public-domain software
(c) Open-source software
(d) An application suite
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Ques. Who is the father of Computer?
(a) Allen Turing
(b) Charles Babbage
(c) Simur Cray
(d) Augusta Adaming
Ques. A ____ is approximately one billion bytes.
(a) kilobyte
(b) bit
(c) gigabyte
(d) megabyte
Ques. Apple Macintoshes (Macs) and Windows PCs use different ______ to process data and different operating systems.
(a) languages
(b) methods
(c) CPUs
(d) storage devices
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Ques. Use of icons and windows are characteristic of a ________ interface
(a) command-driven
(b) windows-oriented
(c) graphical-user
(d) menu-driven
Ques. ___ is a set of computer programs used on a computer to help perform tasks.
(a) An instruction
(b) Software
(c) Memory
(d) A processor
Ques. Select the smallest memory size.
(a) Terabyte
(b) Gigabyte
(c) Kilobyte
(d) Megabyte
Ques. VGA is
(a) Video Graphics Array
(b) Visual Graphics Array
(c) Volatile Graphics Array
(d) Video Graphics Adapter
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Ques. The ____ , also called the “brains” of the computer, is responsible for processing data.
(a) motherboard
(b) memory
(c) RAM
(d) CPU
Ques. Malicious software is known as:
(a) Badware
(b) Malware
(c) Maliciousware
(d) Illegalware
Ques. Servers are computers that provide resources to other computers connected to a:
(a) network
(b) mainframe
(c) supercomputer
(d) client
Ques. Real-time displays
(a) are used only for capacity planning
(b) are most useful for showing performance problems
(c) are useless for capacity planning
(d) cannot show the system paging rate
What is a Computer?
A computer is an electronic device which is used to perform particular / various tasks using software as instructions and hardware as machine that runs software.
Important Computer Hardware:
What is CPU? CPU (Central Processing Unit) is assembled hardware parts like Hard Drive, Motherboard, CD Drive, Floppy Drive that are used to run a computers.
What is Hard Disk / Hard Drive? Hard disk or hard drive is a magnetic data storage device. All computer’s programs, files and data is stored in this device.
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What is a Motherboard? Motherboard is most important part of a computer or any other electronic device which runs everything on computer / electronic device. Everything that
Parts of a Mother Board:
- Microprocessor
- System clock
- Graphic Card
- Sound Card
- RAM chips
- USD connection
- Ports
- Battery
- Power supply (SMPS)
What are some Input and Connection Hardware?
Mouse: A Mouse is an input device which usually consists of 2 buttons and a scroll wheel.
Key Board: A Keyboard is typing hardware which is used to type information in Computer.
Cable: A cable is a wire which is used to connect various computer parts and power. Most common cables are VGA cables and power cables.
What is a Port? A port is a connecter which connects computer with external device like USB drive, printer etc.
What is a Printer? A Printer is external device which is connects to a computer through port. It is used to print computer data on a paper. There are many types of printers like matrix, laser, thermal, inkjet, and plotter. Xerox invented Laser printer (which is also most common printer) in 1969.
What is software? A Software is a program which is developed to perform special tasks / functions.
What is the difference between bit and byte? Bit or Binary Digit is smallest piece of information on a computer. When bits are grouped together to form larger information they are byte.
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- 8 bits = 1 byte
- 1024 bytes = 1 Kilobyte (KB)
- 1024 Kilobytes = 1 Megabyte (MB)
- 1024 Megabyte = 1 Gigabyte (GB)
- 1024 Gigabyte = 1 Terabyte (TB)
What is a Virus? A program which is developed to corrupt / destroy data in your computer. Some virus can also travel from one computer to another computers.
What is a Trojan Horse? A Trojan horse is a computer virus which attaches itself to another computer programme.
What is Phishing? Phishing is attempt to obtain confidential information from you by falsifying claims and identity (like Lottery Emails).
