What is Computer Awareness?
Computer Awareness, also known as Computer Aptitude is one of the prominent sections in various recruitment related competitive exams in India. TS CAB Recruitment Computer Aptitude Quiz 10 lists some of the important questions for the preparation of Computer Awareness module. The most significant topics to be learnt for Computer Awareness module are as follows:
1. How many digits of the DNIC (Data Network Identification Code) identify the country?
A. first three
B. first four
C. first five
D. first six
Answer: Option A
2. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
A. hot potato routing
B. flooding
C. static routing
D. delta routing
Answer: Option A
3. The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
A. 0.003
B. 0.009
C. 0.991
D. 0.999
Answer: Option B
4. Frames from one LAN can be transmitted to another LAN via the device
A. Router
B. Bridge
C. Repeater
D. Modem
Answer: Option B
5. Which of the following condition is used to transmit two packets over a medium at the same time?
A. Contention
B. Collision
C. Synchronous
D. Asynchronous
1. How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communications with the host?
A. 16 - bits
B. 32 - bits
C. 48 - bits
D. 64 - bits
Answer: Option B
2. With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?
A. 192
B. 224
C. 240
D. 252
Answer: Option D
3. Which of the following types of channels moves data relatively slowly?
A. wideband channel
B. voiceband channel
C. narrowband channel
D. broadband channel
Answer: Option C
4. Which of the following is required to communicate between two computers?
A. communications software
B. protocol
C. communications hardware & access to transmission medium
D. All of the above
Answer: Option D
5. Which of the following does not allow multiple users or devices to share one communications line?
A. doubleplexer
B. multipplexer
C. concentrator
D. controller
1. The geostationary satellite used for communication systems
A. rotates with the earth
B. remains stationary relative to the earth
C. is positioned over equator
D. All of the above
Answer: Option D
2. Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets
Answer: Option C
3. The packets switching concept was first proposed
A. in the late 1980s for the Defense Ministry of US.
B. in the early 1960s for military communication systems, mainly to handle speech
C. in the late 1950s for Defense Ministry of US
D. All of the above
Answer: Option B
4. The _____ houses the switches in token ring.
A. transceiver
B. nine-pin connector
C. MAU
D. NIC
Answer: Option C
5. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?