Q71. What is Internet?
(A) A worldwide network of computers
(B) A telephone network
(C) A television network
(D) A radio network
(A) A worldwide network of computers
Q72. Which of the following is an input unit?
(A) Mouse
(B) Keyboard
(C) Scanner
(D) All of these
(D) All of these
Q73. What does a computer do when it receives a program?
(A) Works automatically
(B) Works for the user
(C) Works as per program
(D) Plays games
(C) Works as per program
Q74. A person is called computer literate if he is able to only?
(A) In writing programs
(B) Hack other computers
(C) To run essential applications
(D) In making anti-virus software
(C) To run essential applications
Q75. 1 Kilobyte (KB) is equal to how many bytes?
(A) 1024 bytes
(B) 1024 megabytes
(C) 1024 gigabytes
(D) None of these
(A) 1024 bytes
Q76. How many bytes is 1 megabyte (MB) equal to?
(A) 1024 KB
(B) 1024 MB
(C) 1024 GB
(D) 1024 TB
(A) 1024 KB
Q77. 1 gigabyte (GB) is equal to how many bytes?
(A) 1024 KB
(B) 1024 MB
(C) 1024 GB
(D) 1024 TB
(B) 1024 MB
Q78. Which of the following devices distributes network traffic across multiple servers?
(A) IDS
(B) Load Balancer
(C) Switch
(D) Hub
(B) Load Balancer
Q79. What is the device called that converts computer output for transmission over telephone lines?
(A) Disk driver (hard drive)
(B) Monitor
(C) Modem
(D) Keyboard (keyword)
(C) Modem
Q80. Which word is not included in the vocabulary of Information Technology (IT)?
(A) Cyber crime
(B) Upload
(C) Light storage
(D) Storage mode
(C) Light storage