Computer Objective Question 27

1) What is the decimal equivalent of the binary Number 10111 ?

1. 21
2. 23
3. 39
4. 42

2) In order to write on a floppy disk with your IBM PC you must first

1. digitize it
2. format it
3. compile it
4. hardware it

3) What is the term for a temporary storage area that compensates for differences in data rate and data flow between devices ?

1. buffer
2. bus
3. channel
4. modem

4) How many colour dots make up one colour pixel on a screen ?

1. 256
2. 16
3. 3
4. 1

5) One of the things that separates a "Terminal" from a "PC" is that the terminal does not have a what ?

1. keyboard
2. Monitor
3. Power cord
4. CPU

6) Data is stored on diskettes in what fore ?

1. Ink
2. Laser bubbles
3. Magnetism
4. Circuits

7) The smallest visual element on a video monitor is called what ?

1. Character
2. Pixel
3. Byte
4. Kwerk

8) The type of data storage that is considered to be volatile is ?

1. R-O-M
2. R-A-M
3. TAPE
4. DISK

9) What natural element is the primary ingredient in computer chips ?

1. silicon
2. Carbon
3. Iron
4. Uranium

10) Where do you find a write protect notch ?

1. On a computer chip
2. On a punched card
3. In a read only memory
4. On a floppy disk

11) The smallest unit of information is

1. A byte
2. A bit
3. A nibble
4. A block

12) A program that enables you to perform calculations involving rows and columns of numbers is called a

1. Spreadsheet program
2. Word processor
3. Graphics package
4. Window

13) The structured programming technique that graphically represents the detailed step needed to solve a program, is known as

1. Object-oriented programming
2. Pseudocode
3. Flowchart
4. Top-down design

14) . The word processing feature that catches most random typographical errors and misspellings is known as

1. grammar
2. spell checker
3. copy
4. paste

15) . A process is a

1. single thread of execution
2. program in execution
3. program in memory
4. task

16) Computer are electronic devise that accept instructions , process input , and produce

1. information
2. data
3. system software
4. end users

17) A computer is accurate but if the result of a computation is wrong , this is mainly due to

1. power failure
2. the computer circuits
3. incorrect data entry
4. distraction

18) he central processing unit is located in the

1. hard disk
2. system unit
3. memory
4. monitor

19) which one of the following groups contains graphical File extensions ?

1. JPG,CPX,GCM
2. GIF,TCF,WMF
3. TCP,JPG,BMP
4. JPG,GIF,BMP

20) When data changes in multiple lists and all lists are not updated, this causes

1. Data redundancy
2. Information overload
3. Duplicate data
4. Data inconsistency
5. None of the above