ONLINE MCQ-COMPUTER AWARENESS 16

ONLINE MCQ-COMPUTER AWARENESS 16

1. Which are the main types of software system, utility and–

(A) application

(B) new
(C) computer

(D) complex
Ans. (A) application

2. 1 megabyte (Mb) equal to–
(A) 220 bytes
(B) 1 kilo KB
(C) both ‘A’ and ‘B’
(D) 1024 kilobytes
Ans. (D) 1024 kilobytes
3. A byte represents a group of–
(A) 10 bits
(B) 40 bits
(C) 8 bits
(D) 22 bits
Ans. (C) 8 bits

ONLINE MCQ-COMPUTER AWARENESS 16

4. Data representation in a computer uses the number system–
(A) decimal
(B) number
(C) binary
(D) integers
Ans. (C) binary

5. When a key is present on the keyboard, which standard is used converting the keystrokes into the corresponding bits?
(A) ANS
(B) ASCII
(C) EBCDIC
(D) ISO
Ans. (B) ASCII

6. BIOS stands for–
(A) Basic Input Output system
(B) Binary Input output system
(C) Basic Input Off system
(D) all the above
Ans. (A) Basic Input Output system

ONLINE MCQ-COMPUTER AWARENESS 16

7. Father of ‘C’ programming language–
(A) Dennis Ritchie
(B) Prof Jhon Kemeny
(C) Thomas Kurtz
(D) Bill Gates
Ans. (C) Thomas Kurtz

8. The 16 bit Microprocessor means that it has–
(A) 16 address lines
(B) 16 Buses
(C) 16 Data lines
(D) 16 routes
Ans. (A) 16 address lines

9. Data going into the computer is called–
(A) Output
(B) algorithm
(C) Input
(D) Calculations
Ans. (C) Input

10. Which of the following refers to a small, single-site network?
(A) LAN
(B) DSL
(C) RAM
(D) USB
Ans. (D) USB

ONLINE MCQ-COMPUTER AWARENESS 16

11. A record that follows a group of related records and contains data relevant to those records is called as–
(A) Trailer record
(B) Traffic record
(C) Transaction record
(D) Transducer
Ans. (A) Trailer record

12. A type of semiconductor memory that usually has small capacity but very fast access is–
(A) PROM
(B) RAM
(C) Scratchpad
(D) ROM
Ans. (C) Scratchpad

13. ………………….. is the study of molecules and structures whose size ranges from 1 to 100 nanometers.
(A) Nanoscience
(B) Microelectrodes
(C) Computer forensics
(D) Artificial intelligence
Ans. (A) Nanoscience

ONLINE MCQ-COMPUTER AWARENESS 16

14. A single pole, single throw switch with one common line and one output line is–
(A) Switch circuit
(B) SPDT switch
(C) SPST switch
(D) Star bit
Ans. (C) SPST switch

15. A one-bit signal that indicates the start of data transmission by an asynchronous device is–
(A) Parity bit
(B) Status bit
(C) Zero bit
(D) Star bit
Ans. (D) Star bit

16. Which of the following requires a device driver–
(A) register
(B) cache
(C) main memory
(D) disk
Ans. (B) cache

17. 92 in octal number system is equivalent to–
(A) 128
(B) 130
(C) 132
(D) 134
Ans. (D) 134

18. The most commonly used character codes for transmission is–
(A) EBCDIC
(B) ASCII
(C) both ‘A’ and ‘B’
(D) COBOL +
Ans. (D) COBOL +

ONLINE MCQ-COMPUTER AWARENESS 16

19. Icons are–
(A) typed commands
(B) verbal commands
(C) picture command
(D) imaginary commands
Ans. (C) picture command

20. The gray code for decimal 7 is–
(A) 0111
(B) 1011
(C) 0100
(D) 0101
Ans. (C) 0100