Search This Blog

Monday, 25 August 2014

Computer Qualitative Questions (Paper 2)



Here are some other questions to help you solve your computer problems, take your time to look through as you might just find an answer to your long time question.

What is Firmware?
Answer: Firmware is a computer program stored permanently into a hardware device as a Read Only Memory. For example, when you plug a new device into the computer and it installed itself automatically without an attached device driver, it contains a firmware in it such as a modem etc.

In graphic design, graphics is inserted as what?
Answer: Graphics is inserted as frame.

Who is the father of computer?
Answer: Charles Babbage was noted as the father of computer. He was recognized with the invention of two computers which are ANALYTICAL ENGINE and DIFFERENCE MACHINE.

What are java applets?
Answer: A java applet is run from a web browser and is not a standalone application. For example, it might be a clock display on a web page.

What is worm?
Answer: A worm is a malware which can spread itself without human actions. It can e-mail itself using contacts stored on a computer, without the user even doing anything.

In order to use an extended desktop over two monitors, what is recommended for a PC?
Answer: A dual screen graphics card and extra monitor is necessary. The dual screen card will allow two monitors to be connected and the display spanned over two monitors.

Who invented the WWW (World Wide Web)?
Answer: Tim Berners Lee invented the www. He was a physicist and his invention 1990 increased the number of internet users.

What is multitasking in an operating system?
Answer: Multitasking is having multiple tasks running at once on a computer.

What does MODEM stands for?
Answer: The MODEM is known as a MODULATOR – DEMODULATOR. It converts the telephone signal to internet packets and vice-versa.

What is an SSID?
Answer: SSID means Service Set Identification; it is a public name for a wireless network. SSID is a name by which the wireless name can be addressed onto a networked device.

What is ARP?
Answer: ARP means Address Resolution Protocol. It is a networking protocol, also a command one would use in Windows 8 to view the ARP cache.

How is data stored on a standard hard disk drive?
Answer: Data is stored using magnetic charge. Magnetic charge is used to set each bit ON or OFF (1 or 0). This is the data stored in its most basic form, and ‘on or off’ is the only form of data a computer can actually understand, as it is, in essence and electronic device.

What does the command ‘Netstat-a’ do in Windows?
Answer: ‘Netstat-a’ shows all the connections to your computer including yourself. You can use it to see if anyone else is connected to your computer too.

What is multiboot?
Answer: Multiboot means to boot to a choice of operating systems. Some users have the need to boot from multiple operating systems. For example, Windows 7 and Ubuntu 11

What does the Kernel of an operating system do?
Answer: The Kernel is the lowest level of an operating system, and provides the core functions of the operating system. The same kernel may be used in multiple operating systems.

How is data stored on a CD?
Answer: The CD writer burns a small hole (bump) in the CD to represent a 1, and the flat areas represent 0’s. These are read back when the laser shines on the disc – if data is reflected (by a flat area) then the 0 is read. If there is a bump, the laser is deflected elsewhere and a 1 is read.

What might a checksum be used for?
Answer: The checksum is used for checking file integrity. The checksum produced from the original can be compared to the one in question. If the data is different, the checksum will be different.

What is changelog?
Answer: Changelog is used to keep record of changes to data. It also track changes made to the registry in Windows. A registry is where data is kept on a storage device.

What is DMA?
Answer: DMA means Direct Memory Access; it allows data to be transferred to physical memory (RAM), without being processed by the processor (CPU).

What does RAID stands for?
Answer: RAID means Redundant Array of Independent Disks. A RAID setup combines multiple disk drives into one logical unit.

What is SCCM?
Answer: SCCM means System Center Configuration Manager. SCCM is a system management product by Microsoft for managing multiple Windows based computer systems.

What does COM stand for?
Answer: COM means Component Object Model. It is used for developing software components.

What is the desktop heap?
Answer: Desktop heap is an area of memory used for desktop elements. It is used to store visual elements of the desktop for display.

What is Telnet?
Answer: Telnet is a commandline communication tool. It is used to remotely connect to networked devices for administration purposes.

What is EEPROM?
Answer: EEPROM means Electronically Erasable Programmable Read Only Memory. It is a memory that can store information even when power is removed. For example, data on a flash drive – it doesn’t require power to maintain the data. Therefore, it is EEPROM.

What does SONET stand for?
Answer: SONET means Synchronous Optical NETworking. It is used to send multiple bit streams over fibre optic cable.

What is .net framework?
Answer: .net framework is a software framework. It allows the smooth installation of software on a computer. It was developed by Microsoft

What does SQL stand for?
Answer: SQL means Structured Query Language. It is used for querying databases to fetch results.

What is an argument?
Answer: An argument is a value passed to a function. It can be any type of data the function will allow such as an integer, string, floating point value, object etc.

What is a cluster?
Answer: A cluster is a group of computers working together. Computers can work together on certain tasks. They work in a cluster.


With these questions and answers, I believe to have results to some of your thoughts and questions…….cheers!!!!

Compiled by: AdeDanCompTech

No comments:

Post a Comment

You need to enable Secure Boot to install Windows 11 — here’s how.

You need to enable Secure Boot to install Windows 11 — here’s how. Windows 11 requires Secure Boot to run, and here are the steps to che...