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1.Bysymbols2. B y e l e c t r i c i t y3. By magnetics4. By mechanicsQUESTION 4-5 IS TO BE JUDGED TRUE ORFALSE.4-5. The first computers were designedto manipulate numbers to solve arithmetic problems.1.True2. False4-6. What is data to be representedcalled?1. Numeric data2. Alphanumeric data3. Information data4.Sourcedata4-7. Raw data is typically writen onsome type of paper document referred to as what type of document?1. End document2.Sourcedocument3. Classified document4. Unclassified document4-8. Numeric, alphabetic, and specialcharacters are represented in a computer's internal storage andon magnetic media through the useof what kind of system?1.Coding2. Reading3. Writing4. Labeling4-9. I t i s p o s s i b l e t o r e p r e s e n t amaximum of 256 differentcharacters or bit combinations byusing which of the following codes?1.8-bit2. 16-bit3. 32-bit4. 64-bit4-10. In addition to four numeric bits, t h e r e a r e f o u r o t h e r b i tpositions used in an a-bit code,what are theycalled?1. Area bits2.Zonebits3. Region bits4. D i s t r i c t b i t s
4-11. Which of the following numbering systems has a base of 16?1.Octal2.Binary3.Decimal4.Hexadecimal4-12. Representing two numeric characters in one byte (eightb i t s ) i s r e f e r r e d t o a s w h a t?1.Packing2.Stacking3.Doubling4.Crowding4-13. By packing data within an 8-bit code, which of the followingresults areachieved?1.Storage spacerequired increases andprocessingspeedincreases2.Storage spacerequiredincreases and processing speed decreases3. Storage spacerequired decreases andprocessingspeedincreases4.Storage spacerequireddecreases and processing speed decreases4-14. Through the cooperation of several manufacturers, whata-bit code was developedfortransmiting and processing data?1. EBCDIC2. EBCDTC3. ASCIT
4.ASCIIQUESTION 4-15 IS TO BE JUDGED TRUE OR FALSE.4-15. The concepts and advantages ofASCII are identical to those ofEBCDIC.1.TRUE2.FALSE4-16. The letter D is represented by what coding in (a) EBCDIC and(b) ASCII?ANSWER: 34-17. An additional bit in each storagel o c a t i o n c a l l e d a p a r i t y b i t i s used for what purpose?1. To stop errors2. To erase errors3.Todetecterrors4. To reroute errors4-18. T h e p a r i t y b i t i s a l s o c a l l e d what?1. Odd bit2. Even bit3. Code bit4.Checkbit4-19. T h e t e s t f o r b i t c o u n t i s c a l l e d what?1. Odd check2. Even check3. Stop check4.Paritycheck4-20. What storage area accepts andholds input data to be processed?1.Input2. Output3. Working4. Program4-21. A single binary digit is calledwhat?1.Bit2. Byte3. Word4. Record4-22. What symbol is used when we referto the size of computer memory?