276. The silicon chips used in computers are made from
Answer: Ordinary sand
277. In modems, the data transfer rate is measured in
Answer: Bits per second
278. The output of a 2 input and gate is 1 only when its
Answer: Both inputs are 1
279.________ printer is a character-at-a time printer.
Answer: Daisywheel
280. A half-byte is known as
Answer: Nibble
281. A ________ code is used in retail stores to identify merchandise.
Answer: Universal Product Code
282. Which of the following languages is based on graphics for use in education?
Answer: LOGO
283. You can activate a cell by
Answer: All the above
284. Which of the following is not an option in the spelling dialog box?
Answer: Edit
285.________ layer performs multiplexing and demultiplexing of network connections.
Answer: Transport
286. In which of the following topologies, security, and privacy are less of an issue for devices?
Answer: Bus
287. A television broadcast uses _________ transmission mode.
Answer: Simplex
288. FDDI is an acronym for
Answer: Fiber Distributed Data Interface
289._________ and ________ protocols are defined in transport layer.
Answer: TCP, UDP
290. Borders can be applied to
Answer: All the above
291. What is the short-cut key to highlighting the entire column?
Answer: Ctrl + Space bar
292. Which command is used to display the current date and time in MS Excel?
Answer: Now ()
293.________ language is used to create macros in MS Excel.
Answer: Visual Basic
294. Workspace means
Answer: Group of workbooks
295. Which of the following graphical models is used to define a database?
Answer: E-R diagram
296. To refer to a specific record in your library database, for instance, information stored about a specific
Book ________ term is used.
Answer: Instance
297. The most important advantage of an IC is
Answer: Extremely high reliability
298. To modify the structure of a created table, which SQL command is used?
Answer: Alter
299.________ can be used to send an e-mail to a large group at one time.
Answer: List server
300. To save the current document or to open a previously saved document, ________ is used.
Answer: File menu
