Computer Knowledge MCQ-240

Smart card is

(A) special purpose cards
(B) microprocessor cards
(C) processing unit contains memory for storing data
(D) processing unit for software handling
(E) None of the above

The main system board of a computer is called the __.

(A) integrated circuit
(B) motherboard
(C) processor
(D) microchip
(E) None of these

To open task manager, press

(A) Ctrl + Shift + Tab
(B) Ctrl + Shift + Esc
(C) Ctrl + Shift + O
(D) Ctrl + Shift + T
(E) None of these

__ is a set of keywords, symbols and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer.

(A) A computer program
(B) A programming language
(C) An assemble
(D) Syntax
(E) None of these

With an IP address of 100, you have currently 80 subnets. What subnet mask should you use to maximise the number of available hosts?

(A) 192
(B) 240
(C) 248
(D) 224
(E) 252

To select the entire row, press __.

(A) Tab + E
(B) Tab + C
(C) Ctrl + Space
(D) Shift + Space
(E) None of these

Which of the following extensions suggest that the file is a backup copy

(A) Bas
(B) Com
(C) Bak
(D) Txt
(E) None of these

CRT stand for

(A) Crystal ray tube
(B) Cosmos ray tube
(C) Cathode ray tube
(D) Combine ray tube
(E) None of these

A flat metallic disk that contains a large amount of permanently stored information read optically is called a __

(A) Monitor
(B) ALU
(C) CD-ROM
(D) RAM
(E) None of these

A DAC changes __.

(A) an analog signal into digital data .
(B) digital data into an analog signal
(C) digital data into an amplified signal
(D) All of the above
(E) None of the above

The arranging of data in a logical sequence is called

(A) Classifying
(B) Reproducing
(C) Summarizing
(D) Sorting
(E) None of these

How much data can be stored in a CD?

(A) 300 MB
(B) 400 MB
(C) 670MB
(D) 700MB
(E) 900MB

Which multiplexing technique can transmits analog signals?

(A) Synchronous TOM
(B) Asynchronous TOM
(C) FDM
(D) Both (b) and (c)
(E) None of these

In Excel, Charts are created using which option?

(A) Chart Wizard
(B) Pivot Table
(C) Pie Chart
(D) Bar Chart
(E) None of these

__ used to create a new Directory or nested Directories.

(A) DM or MFDIR
(B) MND or MKNDIR
(C) MD or MKDIR
(D) MZND or MKMDIR
(E) None of these

Which of the following is not an antivirus software?

(A) Code Red
(B) AVG
(C) MCAfee
(D) Quick Heal
(E) Avast

You can __ a search by providing more information the search engine can use to select a smaller, more useful set of results.

(A) refine
(B) expand
(C) load
(D) query
(E) slowdown