SSC CGL Previous Year Questions: Computers - 3 - SSC CGL MCQ

The desktop dot matrix printer is the typical character printer that prints one character at a time. It is also called a "serial dot matrix printer" or "serial matrix printer."

The waste generated by end life personal computers are known as e-waste. E-waste or "Electronic waste" may be defined as discarded computers, office electronic equipment, entertainment device electronics, mobile phones, television sets, refrigerators, etc.

Charts provide a visual repr esen tation of the data values in a worksheet.

A modem turns the digital data of a personal computer into modulated electrical signals in the voice frequency range of a telephone channel. These Signals can be transmitted over telephone lines and demodulated by another modem at the receiver side to recover the digital data.

In MS-Excel,th e collection of rows and column s containing data in the form of numbers and texts is known as Worksheet.

Using Telnet protocol remote computers known as hosts can be logged in over a TCP/IP network .

In computing, an interface is a shared boundary across which two separate components of a computer system exchange information. The exchange  can be between software, computer hardware,peripheral devices, humans and combinations of these.

Interface Card, Ethernet Cable and Routers are used in setting up a LAN. The router can be plugged directly into the modem via an Ethernet cable, and all other computers are eventually connected in  some fashion to the route. In terms of LAN, a computer cannot be said to be an item which constitutes this network.

Mobile Commerce, also known as M-Commerce or mCommerce,  is the  ability to conduct commerce  using a mobile device, such as a mobile phone, a Personal Digital Assistant (PDA), a smartphone, or other emerging mobile equipment.

The first commercial modem- the Bell 103 was manufactured by AT&T in 1962.

The cell is th e basic unit of data storage within a spreadsheet software application.

A mesh network whose nodes are all connected to each other is a fully connected network. It requires that all the terminals be connected to all the other terminals.

CPU performance is often measured in Millions of Instructions Per Second (MIPS) or Billions of Instructions Per Second (BIPS).

Pit is the recessed area on a CD or DVD where data is stored. CDs and DVDs store data in lands and pits.
The lands represent 1 and the pits represent 0 in binary computing.

Antivirus software or Vaccine  is a computer program that detects, prevents, and takes action to restrict or remove malicious  programs.

Operating System functions as a mediator between the hardware and software/program running within the operating system.

The Central Processing Unit (CPU) is the component of a computer responsible for executing instructions to perform tasks. It is often referred to as the "brain" of the computer, as it carries out the instructions of a computer program by performing basic arithmetic, logic, control, and input/output operations specified by the instructions. The hard drive is used for storage, RAM is used for temporary memory, and the GPU is used for rendering graphics.

Th e UNIVAC (UNIVersal Automatic Computer-I) computer was the first commercially available computer.
It was invented by John Presper Eckert and John Mauchly for business applications.

A wide area network (WAN) is a geograph ically distributed private telecommunications network that interconnects multiple local area networks (LANs), such as a company's headquarters, branch offices etc.

A Spreadsheet software is a software application capable of organizing, storing and analyzing data in tabular form,hence it is more useful for statistics.

Groupware are the programs that help people work together collectively while located remotely from each other.

Intelligent terminal is a device with some processing capability, by means of which information may be transferred to and from a larger processing system.
The device is often a combination of a display and keyboard with at least one built-in.

India recently becomes the Twitter 's thir d-largest market.

MIPS is acronym for million instructions per second. A old measure of acomputer's speed and power, MIPS measures roughly the number of machine instructions that a computer can execute in one second.

C/C++ is one of the high-level languages. A high-level language is any programming language that enables development of a program in a much more user-friendly programming context.

Windows 7 released in October, 2009  with many new fronts and of customization options. To the nine (9) fonts for Indian languages that were available in Vista, Windows 7 adds forty (40) more. Windows 7 will now include multiple fonts for each of the official languages of India.