Computer Knowledge MCQ-77

What type of device is a computer mouse?

(A) Input
(B) Output
(C) Software
(D) Storage
(E) None of these

Which of the following is billionth of a second?

(A) Gigabyte
(B) Terabyte
(C) Nanosecond
(D) Microsecond
(E) Terasecond

In an E-R diagrams, ellipses represent(s)

(A) entity set
(B) relation among entity set
(C) attributes
(D) link between attributes and entity sets
(E) None of the above

__ are distinct items that don’t have much meaning to you in a given context.

(A) Fields
(B) Data
(C) Queries
(D) Properties
(E) None of these

This can be another name for program

(B) Hard-disk
(C) Hardware
(D) Software
(E) None of these

Which of the following is related with 192 .9 .200 .155?

(A) Hardware address
(B) Monitor address
(C) IP address
(D) All of these
(E) None of these

Data representation is based on the __ number system, which uses two numbers to represent all data.

(A) binary
(B) biometric
(C) bicentennial
(D) byte
(E) None of these

Which of the following is not an option when shutting down your computer?

(A) Log Off
(B) Switch User
(C) Stand By
(D) All of these
(E) none of the above

SQL can be used to:

(A) create database structures only.
(B) query database data only.
(C) modify database data only.
(D) All of the above can be done by SQL.
(E) None of these

A desktop computer is also known as a __

(A) Palm Pilot
(B) PC
(C) laptop
(D) mainframe
(E) None of these

By default the cell content alignment is

(A) left aligned
(B) centrally aligned
(C) text left aligned and numbers right aligned
(D) text right aligned and numbers left aligned
(E) None of the above

The __ contains specific rules and words that express the logical steps of an algorithm.

(A) syntax
(B) programming language
(C) programming structure
(D) logic chart
(E) None of these

Which of the following is not a characteristic of a computer?

(A) Intelligence
(B) Speed
(C) Versatility
(D) Automation
(E) None of the above

CPU stands for __

(A) Computer Processing Unit
(B) Central Processing Unit
(C) Computer Protection Unit
(D) Central Processing Upload
(E) None of these

Which of the following is/are the phase(s) of compiler?

(A) Lexical analyser
(B) Syntax analyser
(C) Code optimization
(D) Code generation
(E) All of these

In Access, this displays the results of a calculation in a query

(A) Lookup field
(B) Source field
(C) Calculated field
(D) Child field
(E) None of these