Computer Knowledge MCQ-155

What is the full form of TCS?

(A) Tax Collected by Staff
(B) Tax Consumption at Source
(C) Tax Collected at Source
(D) Tax Collected from Sales
(E) None of these

Select or unselect one character to the right

(A) Tab+Right Arrow
(B) Shift + Right Arrow
(C) Alt + Right Arrow
(D) Ctrl + Right Arrow
(E) None of these

As compared to a magnetic tape, the main advantage of magnetic disk is

(A) rigidity
(B) direct access
(C) low cost
(D) high packing density
(E) None of these

The name a user assigns to a document is called a(n) :

(A) filename
(B) program
(C) record
(D) data
(E) None of these

The portion that shows all the choices you can make while working in a window is called the __ .

(A) options
(B) table
(C) menu bar
(D) item bar
(E) None of these

The reason, the data outputs of most ROM ICs are tri-state outputs is to

(A) allow for three separate data input lives
(B) allow the bidirectional flow of data between the bus lines and the ROM registers
(C) permit the connection of many ROM chips to a common data bus
(D) isolate the registers from the data bus during read operations
(E) None of the above

The smallest unit of information, a computer can understand and process is known as

(A) digit
(B) byte
(C) megabyte
(D) bit
(E) None of these

___ appear at the bottom of the Excel Window.

(A) Work sheet tabs
(B) Name box
(C) Formula bar
(D) Title bar
(E) None of these

Which of the following contains information about a single “entity” in the database – like a person place, event, or thing?

(A) query
(B) form
(C) record
(D) table
(E) None of these

The clock rate of a processor is measured In

(A) Milliseconds
(B) Microhertz
(C) Megabytes or Gigabytes
(D) Nanoseconds
(E) Megahertz or Gigahertz

__ are lines that have connection points at the end and stay connected to the shapes that you attach them to.

(A) Headers
(B) Connectors
(C) Separators
(D) Footers
(E) None of these

Grouping and processing all of a firm’s transactions at one time is called __

(A) a database management system
(B) batch processing
(C) a real-time system
(D) an on-line system
(E) None of these

When you are working on a document on a PC, the document is stored in __.

(C) Floppy
(D) Pen drive
(E) None of these

A __ is an abstract model that describes, how the data are organised and represented,

(A) data model
(B) instances
(C) schema
(D) database

Screen that comes on when you turn on your computer that shows all the icons __

(A) desktop
(B) face to face
(C) viewer
(D) view space
(E) None of these

Operating system is a(n) __.

(A) Application software
(B) System software
(C) Programmable software
(D) All of these
(E) None of these